International Comission of Jurists, 1962
Buku Teks
Renfree, H.E.
Legal Books, 1984
Buku Teks
Muhammad Ridhwan Indra, author
Haji Masagung, 1988
Buku Teks
Blachly, Frederick F.
The Brookings Institution, 1940
Buku Teks
McClure, Wallace, author
Columbia University Press, 1941
Buku Teks