External Information Dept., Ministry of Culture and Information, 1983
Buku Teks
edited by Paul Bohannan
University of Texas Press, 1967
Buku Teks
Buku Teks
Barash, David P.
SAGE Publications, 2014
Buku Teks
Cuny, Hilaire
Paris Editions Seghers 1970
Buku Teks