Dillon, Lawrence S.
Animal variety : an evolutionary account
WM.C. Brown, 1976
 Buku Teks
Boughey, Arthur S.
Population and environmental biology / Arthur S. Boughey
Dickenson , 1967
 Buku Teks
Mayr, Ernst
Populations: species and evolution: an abrigmen of animal species and evolution
Belknap Press, 1963
 Buku Teks
Pandey, B.N.
Ecology and animal behaviour; Vol. 4
Tata McGraw-Hill, 2012
 Buku Teks
Effects on resource distribution on animal-plant interactions
edited by Marks D. Hunter, Tayuki Ohgushi, and Peter W. Price
Academic Press, 1992
 Buku Teks