CP BOOKS, 1989
Buku Teks
Oxford University Press, 1994
Buku Teks
CP Books, [date of publication not identified]
Buku Teks
Werdi Ariyani, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2005
UI - Tesis (Membership)
U.P. Law Center, 1978
Buku Teks