Burgman, M.A.
Chapman & Hall, 1992
Buku Teks
Anthony W.D. Larkum, editor; Robert J. Orth; Carlos M. Duarte
Springer, 2006
Buku Teks
Ghazoul, Jaboury
Oxford University Press, 2016
eBooks
Meffe, Gary K.
Sinauer Associates, 1997
Buku Teks SO
edited by N. Mark Collins, Jeffrey A. Sayer, Timothy C. Whitmore
Simon & Schuster, 1991
Buku Referensi