Farley, J.C. (2005) Ecological economics: a workbook for problem-based learning. Washington: Island Press.
Fukuyama, F. (2012) The origins of political order: from prehuman times to the French Revolution. London: Profile. Available at: http://www.vlebooks.com/vleweb/product/openreader?id=Exeter&isbn=9781847652812.
Robbins, P. (2012) Political ecology: a critical introduction. 2nd ed. Oxford: Wiley-Blackwell. Available at: https://falmouth.primo.exlibrisgroup.com/discovery/fulldisplay?docid=alma9910955723405136&context=L&vid=44FAL_INST:44FAL_EXE1&tab=Everything&lang=en.
