Pianka, Eric R., author
Harper & Row, 1988
Buku Teks
edited by Bernard Stonehouse and Christopher M. Perrins
University Park Press, 1979
Buku Teks
Ovaskainen, Otso, author
Oxford University Press, 2016
eBooks
edited by J.R. Krebs and N.B. Davies
Blackwell, 1995
Buku Teks
edited by Peter W. Price ... [and others]
John Wiley & Sons, 1991
Buku Teks