editor-in-chief, Harold E. Mitzel
Free Press, 1993
Buku Referensi
Bartholomew, David J., author
John Wiley & Sons, 1982
Buku Teks
edited by Michael Banton
F. A. Praeger, 1965
Buku Teks
Tuma, Nancy Brandon, author
Academic Press, 1984
Buku Teks
Tuma, Nancy Brandon, author
Academic Press, 1984
Buku Teks