Darwin, Charles
The expression of the emotions in man and animals
Oxford University Press, 2009
 Buku Teks SO
Laboratory manual for biology of animals
by Margaret J. Hartman [and others]
Kendall/Hunt, 1976
 Buku Teks SO
Kendeigh, S. Charles
Ecology with special preference to animals and man
Prentice-Hall, 1975
 Buku Teks SO
Parasitology : the biology of animal parasites
by Elmer R. Noble ... [and others]
Lea & Febiger, 1989
 Buku Referensi
The Encyclopaedia of animal behaviour and biology
edited by Peter Slater and R. McNeill Alexander
Grolier International, 1986
 Buku Referensi