Romi Gozali Rukmawijaya
Fakultas Hukum Universitas Indonesia, 2003
UI - Skripsi (Membership)
edited by Sir Francis Vallat
Europa Publications, 1970
Buku Teks
edited by George Clack
[publisher not identified], 1998
Buku Teks
Nickel, James W.
Blackwell , 2007
Buku Teks
Sagala, Shanty Sofiarli
Universitas Indonesia, 2008
UI - Skripsi (Open)