Simpson, George Gaylord
Yale University Press, 1967
Buku Teks SO
Olson, Everett C.
Charles E. Merrill, 1975
Buku Teks SO
Huxley, Julian
New American Library, 1957
Buku Teks SO
Starr, Cecie
Thomson, 2004
Buku Teks SO
O`hear, Anthony
Clarendon Press, 1997
Buku Teks SO