CRM Books, 1971
Buku Teks SO
edited by Sol Tax
Prentice-Hall, 1970
Buku Teks SO
Kottak, Conrad Phillip, 1942-
McGraw-Hill, 1991
Buku Teks SO
Cochrane, Glynn
Oxford University Press, 1971
Buku Teks SO
Bock, Philip K.
Alfred A. Knopf, 1969
Buku Teks SO