Singer, Peter
Animal liberation: the Definitive classic of the animal movement
2009
 Buku Teks
The ecology of animal movement
edited by Ian R. Swingland and Paul J. Greenwood
Clarendon Press, 1983
 Buku Teks
The ecology of animal movement
edited by Ian R. Swingland and Paul J. Greenwood
Clarendon Press, 1983
 Buku Teks
Animal nutrition
P. McDonald ... [et al.]
Longman, 1995
 Buku Teks
Scott, John Paul
Animal behavior
University of Chicago Press, 1958
 Buku Teks