edited by Philip Oldenburg
Westview Press, 1991
Buku Teks
edited by Marshall M. Bouton and Philip Oldenburg
Westview Press, 1989
Buku Teks
Lancer International, 1991
Buku Teks
Sinaga, Elfrida, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 1995
UI - Skripsi (Membership)
Tendulkar, Suresh D.
Oxford University Press, 2007
Buku Teks