Alcock, John. Animal Behavior: An Evolutionary Approach. 10th ed, Sinauer Associates, 2013.
Begon, Michael, et al. Ecology: From Individuals to Ecosystems. 4th ed, Blackwell, 2006, https://ebookcentral.proquest.com/lib/uea/detail.action?docID=243556.
Dawkins, Richard. The Selfish Gene. 30th anniversary ed, Oxford University Press, 2006, https://ebookcentral.proquest.com/lib/uea/detail.action?docID=422874.
Zimmer, Carl. The Tangled Bank: An Introduction to Evolution. Second edition, Roberts and Company, 2014.
