Dodi Dores, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2016
UI - Skripsi (Membership)
Novosti Press, 1976
Buku Teks
McCauley, Martin
Longman, 1993
Buku Teks
Amalrik, Andrei, author
Harper and Row, 1980
Buku Teks
Thompson, June M., author
Westview Press, 1990
Buku Teks