Sober, Elliott
Philosophy of biology
Westview Press, 1993
 Buku Teks
Behavioral biology : neuroendocrine axis
edited by Trevor Archer, Stefan Hansen
Lawrence Erlbaum Associates, 1991
 Buku Teks SO
Allen, Colin
Species of mind : the philosophy and biology of cognitive ethology / Colin Allen, Marc Bekoff
MIT Press , 1997
 Buku Teks
Mader, Sylvia S.
Biology
McGraw-HIll, 1996
 Buku Teks
Mader, Sylvia S.
Biology
McGraw-HIll, 2001
 Buku Teks SO