Kalat, James W.
Wadsworth/Thomson Learning, 2001
Buku Teks
edited by Herman P. Schwan
McGraw-Hill, 1969
Buku Teks
Truskey, George A.
Pearson/Prentice Hall, 2004
Buku Teks
Leith, John D.
Burgess, 1970
Buku Teks
editors: R. T. Bottle, [and] H. V. Wyatt
Butterworth, 1971
Buku Referensi