Purba, Achmad Zen Umar, author
Jurnal Hukum Internasional: Indonesian Journal of International Law, 2004
Artikel Jurnal
Behrendt, Richard F.
Pradnya Paramita, 1974
Buku Teks
Hettne, Bjorn, 1939-, author
Pustaka Sinar Harapan, 1982
Buku Teks
Huntington, Samuel P., author
Rineka Cipta, 1994
Buku Teks
Komaruddin, author
Bumi Aksara , 1991
Buku Teks