Macfadyen, A.
Animal ecology: aims and methods
Pitman, 1963
 Buku Teks SO
Behavioural ecology : an evolutionary approach
edited by J.R. Krebs and N.B. Davies
Blackwell, 1995
 Buku Teks SO
Starr, Cecie
Ecology and behavior
Brooks/Cole , 2001
 Buku Teks SO
Evolutionary ecology
edited by Bernard Stonehouse and Christopher M. Perrins
University Park Press, 1979
 Buku Teks SO
Starr, Cecie
Ecology and behavior : biology the unity and diversity of life
Thomson, 2006
 Buku Teks SO