Wallace, Robert A., author
Harper Collins, 1992
Buku Teks
by Edward O. Wilson... (et al.)
Sinaur Associates, 1977
Buku Teks
Cowen, Richard
McGraw-Hill, 1976
Buku Teks
McFadden, Carol Hardy, author
W.W. Norton, 1995
Buku Teks
Bernstein, Ruth, author
Harcourt Brace Jovanovich, 1982
Buku Teks