APA-referens (7:e uppl.)

Alcock, J. (2009). Animal behavior: An evolutionary approach (9th ed.). Sinauer Associates.

Chicago-referens (17:e uppl.)

Alcock, John. Animal Behavior: An Evolutionary Approach. 9th ed. Sunderland, Mass.: Sinauer Associates, 2009.

MLA-referens (8:e uppl.)

Alcock, John. Animal Behavior: An Evolutionary Approach. 9th ed. Sinauer Associates, 2009.