1
Dawkins R. The selfish gene. 30th anniversary ed. Oxford: : Oxford University Press 2006. https://ebookcentral.proquest.com/lib/uea/detail.action?docID=422874
2
Zimmer C. The tangled bank: an introduction to evolution. Second edition. Greenwood Village, Colorado: : Roberts and Company 2014.
3
Alcock J. Animal behavior: an evolutionary approach. 10th ed. Sunderland, Mass: : Sinauer Associates 2013.
4
Begon M, Townsend CR, Harper JL, et al. Ecology: from individuals to ecosystems. 4th ed. Malden, Mass: : Blackwell 2006. https://ebookcentral.proquest.com/lib/uea/detail.action?docID=243556
