1.
Geiriadur Prifysgol Cymru =: a dictionary of the Welsh language. (1950).
2.
Evans, H.M., Thomas, W.O.: Y geiriadur mawr: the complete Welsh-English English-Welsh dictionary. Christopher Davies, Abertawe (1983).
3.
Griffiths, B., Jones, D.G., Welsh Academy: The Welsh Academy English-Welsh dictionary: Geiriadur yr Academi. Gwasg Prifysgol Cymru, University of Wales Press, Cardiff (1995).
4.
University of Wales: Orgraff yr iaith Gymraeg: Rhan 1: Adroddiad ; Pwyllgor Iaith a Llên Bwrdd Gwybodau Celtaidd Prifysgol Cymru. Gwasg Prifysgol Cymru, Caerdydd (1987).
5.
Lewis, C.W., University of Wales: Orgraff yr iaith Gymraeg: Rhan 2: Geirfa ; golygwyd gan Ceri W. Lewis. Gwasg Prifysgol Cymru, Caerdydd (1987).
6.
Davies, E., University of Wales: Rhestr o enwau lleoedd: A gazetteer of Welsh place-names. Gwasg Prifysgol Cymru, Caerdydd (1967).
7.
Evans, D.S.: Gramadeg Cymraeg Canol. Gwasg Prifysgol Cymru, Caerdydd (1977).
8.
Ifans, R.: Y Golygiadur: llawlyfr i awduron a golygyddion. Cymdeithas Lyfrau Ceredigion, Aberystwyth (2006).
9.
Jones, M.D.: Cywiriadur Cymraeg. Gwasg Gomer, Llandysul (1980).
10.
Jones, R.E.: Llyfr o idiomau Cymraeg. Gwasg John Penry, Abertawe (1975).
11.
Jones, R.E.: Ail lyfr o idiomau Cymraeg. Tŷ John Penry, Abertawe (1987).
12.
Lewis, D.G.: Y llyfr berfau: a check-list of Welsh verbs. Gomer, Llandysul (1995).
13.
Lewis, D.G.: Y treigladur: a check-list of Welsh mutations. Gomer, Llandysul (1996).
14.
Morgan, T.J.: Y treigladau a’u cystrawen. Gwasg Prifysgol Cymru, Caerdydd (1952).
15.
Williams, S.J.: Elfennau gramadeg Cymraeg. Gwasg Prifysgol Cymru, Caerdydd (1980).
16.
Hart, H.: Hart’s Rules for compositors and readers at the University Press, Oxford. Oxford University Press, Oxford (1983).
17.
Ritter, R.M., Ritter, R.M., Ritter, R.M.: The Oxford style manual. Oxford University Press, Oxford (2003).
18.
New Oxford style manual. Oxford University Press, Oxford (2012).
19.
Cule, C.P.: Cymraeg idiomatig: priod-ddulliau byw. D. Brown, Y Bontfaen (1971).
20.
Davies, E.: Cyfarwyddiadau i awduron. Gwasg Prifysgol Cymru, Caerdydd (1954).
21.
Jones, M.D.: Termau iaith a llên. Gwasg Gomer, Llandysul (1972).
22.
Lewis, D.G.: Pa arddodiad?: a check-list of verbal prepositions. Gwasg Gomer, Llandysul (2000).
23.
Parry-Williams, T.H.: Elfennau barddoniaeth. Gwasg Prifysgol Cymru, Caerdydd (1965).
24.
Thomas, G.: Ymarfer ysgrifennu Cymraeg. Lolfa, Talybont (2012).
25.
Thomas, P.W.: Gramadeg y Gymraeg. Gwasg Prifysgol Cymru, Caerdydd (1996).
26.
Butcher, J.: Copy-editing: the Cambridge handbook for editors, authors and publishers. Cambridge University Press, Cambridge (1992).
27.
Mackenzie, J.: The editor’s companion. Cambridge University Press, Cambridge (2011).
28.
Barlow, D.M., O’Malley, T., Mitchell, P.: The media in Wales: voices of a small nation. University of Wales Press, Cardiff (2005).
29.
Baverstock, A.: How to market books. Kogan Page, London (1999).
30.
Blake, C.: From pitch to publication: everything you need to know to get your novel published. Macmillan, London (1999).
31.
Clark, G.N.: Inside book publishing. Routledge, London (2000).
32.
Eliot, S., Rose, J.: A companion to the history of the book. Wiley-Blackwell, Chichester (2009).
33.
Feather, J.: A history of British publishing. Routledge, London (2006).
34.
Hall, F.: The business of digital publishing: an introduction to the digital book and journal industries. Taylor & Francis Ltd, London (2013).
35.
Hinton, S., Hjorth, L.: Understanding social media. California, London.
36.
Huws, G., Del-Pizzo, J., Stevenson, G.: Arolwg o’r diwydiant cyhoeddi yng Nghymru =: A survey of the publishing industry in Wales. Canolfan y Llyfr, Aberystwyth (2002).
37.
Jenkins, A.F.: Gweddw dawn heb grefft: addysg a hyfforddiant ar gyfer gweithlu’r diwydiant cyhoeddi yng Nghymru. (1999).
38.
Jenkins, G.H.: Literature, religion and society in Wales, 1660-1730. University of Wales Press [for] the History and Law Committee of the Board of Celtic Studies, Cardiff (1978).
39.
Nelson-Field, K.: Viral marketing: the science of sharing. Oxford University Press Australia, Melbourne (2013).
40.
Rees, E.: The Welsh book trade before 1820. National Library of Wales, Aberystwyth (1988).
41.
Jones, P.H., Rees, E., Canolfan y Llyfr, Aberystwyth Centre for the Book: A nation and its books: a history of the book in Wales. National Library of Wales, Aberystwyth (1998).
42.
Russell, K.: Working the cloud: making the Internet work for you & your business. Crimson, Richmond (2013).
43.
Smith, K.: The publishing business: from p-books to e-books. AVA Academia, Lausanne, Switzerland (2012).
44.
Squires, C.: Marketing Literature: The Making of Contemporary Writing in Britain. Palgrave Macmillan UK, London (2007).
45.
Walters, M.A.: Argraffu, cyhoeddi a llyfrwerthu yng Nghaerfyrddin, 1840-1890. (1997).
46.
Great Britain, Council for the Welsh Language (Great Britain): Cyhoeddi yn yr iaith Gymraeg: adroddiad i...John Morris, Ysgrifennydd Gwladol Cymru =Publishing in the Welsh language ; a report to John Morris, Secretary of State for Wales. H.M.S.O., Cardiff (1978).
47.
Cronfa Ddata Enwau Lleoedd Archif Melville Richards, http://www.e-gymraeg.co.uk/enwaulleoedd/amr/.
48.
Copac National, Academic and Specialist Library Catalogue, http://copac.ac.uk/.
49.
Geiriadur yr Academi, http://www.geiriaduracademi.org/?page_id=54.