Laura Bear.
John Wiley & Sons, 2014
Buku Teks
Bettina E. Schmidt, Ingo W. Schroder, editor
Routlegde , 2001
Buku Teks
edited by Paul Bohannan
University of Texas Press, 1967
Buku Teks
Bock, Philip K., author
Alfred A. Knopf, 1969
Buku Teks
Kluckhohn, Clyde, author
Whittlesey House, 1971
Buku Teks