Gw mau tau Lihat juga dari Etologi. Jelasin dalam bahasa melayu

Burkhardt, Richard W. Jr. "On the Emergence of Ethology as a Scientific Discipline." Conspectus of History 1.7 (1981).

Karen Shanor and Jagmeet Kanwal: Bats Sing, Mice Giggle: Revealing the Secret Lives of Animals, Icon (2009). 'Accessible to the lay reader and acceptable to the scientific community' (The Daily Telegraph), 10 Oktober 2009.