1
Parkin M. Economics. Eleventh edition, Global edition. Boston: : Pearson 2014. http://www.vlebooks.com/vleweb/product/openreader?id=AberystUni&isbn=9780273790402
2
Sloman J, Wride A, Garratt D. Economics. 8th ed. Harlow, England: : Pearson 2012. http://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=3039319080002418&institutionId=2418&customerId=2415
3
Lipsey RG, Chrystal KA. Economics. Thirteenth edition. Oxford: : Oxford University Press 2015.
4
Begg DKH, Vernasca G, Fischer S, et al. Economics. Eleventh edition. London: : McGraw-Hill Education 2014.
5
Krugman PR, Wells R. Economics. Fourth edition. New York, NY: : Worth Publishers, a Macmillan Education imprint 2015. http://catdir.loc.gov/catdir/enhancements/fy1516/2015930273-t.html
6
Mankiw NG, Taylor MP. Economics. London [etc.]: : Thomson 2006.
7
Sloman J. Economics. 6th ed. Harlow, England: : Prentice Hall/Financial Times 2006. http://eu.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=3037257270002418&institutionId=2418&customerId=2415