Benyus, Janine M. author
The Secret language of animals : a guide to remarkable behavior
Black Dog & Leventhal Publishers, 2014
 Buku Referensi
Carruthers, Peter
The Animals issue: moral theory in practice / Peter Carruthers
Cambridge University Press , 1992
 Buku Teks
Kendeigh, S. Charles
Ecology with special preference to animals and man / S. Charles Kendeigh
Prentice-Hall, 1975
 Buku Teks
The encyclopedia of domestic animals
edited by Peter Messent and Donald Broom
Grolier International, 1993
 Buku Referensi
Davis, Simon J.M.
The archaeology of animals/Simon J.M. Davis
Routledge , 1995
 Buku Teks