Touliatos, John, author
Iowa State University Press , 1988
Buku Teks
Deacon, Ruth E., author
Allyn and Bacon, 1981
Buku Teks
Annisa, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2001
UI - Tesis Membership
Marsidin R., author
Universitas Indonesia, 2002
UI - Tesis Membership
Firth, Rosemary, author
Humanities Press, 1966
Buku Teks