McFarland, David, author
Longman, 1993
Buku Teks
edited by Ernst S. Reese and Frederick J. Lighter
John Wiley & Sons, 1978
Buku Teks
Marler, Peter, author
John Wiley & Sons, 1966
Buku Teks
Ridley, Mark, author
Blackwell, 1995
Buku Teks
Tinberger, Niko, author
Time Life Book, 1970
Buku Teks