Kompas, 2000
Buku Teks
Mira W., author
Jakarta Gramedia Pustaka Utama 1999,
Buku Teks
Marx, Karl, 1818-1883, author
[publisher not identified], [date of publication no identified]
Buku Teks
Molyneux, John, author
Teplok Press, 2000
Buku Teks
Umaimah Wahid, author
1998
UI - Tesis (Membership)