APA aipamena

 Alock, J. (2009).  Animal bihavior: An evolutionary approach.  Sinauer Associates.

Chicago Style aipamena

 Alock, John.  Animal Bihavior: An Evolutionary Approach.  Sinauer Associates, 2009.

MLA aipamena

 Alock, John.  Animal Bihavior: An Evolutionary Approach.  Sinauer Associates, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.