Mira W.
Jakarta Gramedia Pustaka Utama 1999,
Buku Teks
Marx, Karl, 1818-1883
[publisher not identified], [date of publication no identified]
Buku Teks
Molyneux, John
Teplok Press, 2000
Buku Teks SO
Umaimah Wahid
1998
UI - Tesis Membership
Khadijah Hashim
Fajar Bakti , 1984
Buku Teks SO