Wilson, Edward O.
The Belknap Press, 1982
Buku Teks
Holcomb, Harmon R.
State University of New York Press, 1993
Buku Teks
Lopreato, Joseph
Allen & Unwin , 1984
Buku Teks
Rosenberg, Alexander
John Hopkins University Press, 1980
Buku Teks
Pugh, D. S.
Buku Teks