Cain, Michael L., William D. Bowman, and Sally D. Hacker. 2014. Ecology. Third edition. Sinauer Associates.
Jones, A. M., Robert Reed, and Jonathan D. B. Weyers. 2012. Practical Skills in Biology. 5th ed. Pearson.
Kay, Ian and NetLibrary, Inc. 1998. Introduction to Animal Physiology. BIOS Scientific Publ. Electronic resource. http://www.netLibrary.com/urlapi.asp?action=summary&v=1&bookid=53925.
Morris, Professor James R, Harvard University Daniel L Hartl, Professor Andrew H Knoll, and Professor Robert A Lue. 2015. Biology: How Life Works. 2 ed. W. H. Freeman.
‘The Surtsey Research Society’. n.d. https://english.surtsey.is/.