Stanford University Press, 1967
Buku Teks
Godwin, C. J.
Tata McGraw-Hill, 1972
Buku Teks
Moore, Wilbert E. (Wilbert Ellis)
Prentice-Hall, 1963
Buku Teks
edited by Robert A. Nisbet
Blackwell, 1972
Buku Teks
edited with an introduction by Robert A. Nisbet
Harper Torchbooks, 1972
Buku Teks