Wilson, Edward O.
The Belknap Press, 1982
Buku Teks SO
Holcomb, Harmon R.
State University of New York Press, 1993
Buku Teks
Pugh, Derek S.
[Publisher not identified], [Date of publication not identified]
Buku Teks
Lopreato, Joseph
Allen & Unwin , 1984
Buku Teks
Rosenberg, Alexander
John Hopkins University Press, 1980
Buku Teks SO