edited by Eivind Smith
Kluwer Law International, 1995
Buku Teks
David, Rene, 1906-
Stevens & sons, 1985
Buku Teks
Grossfeld, Bernhard
Clarendon Press , 1990
Buku Teks
edited by M. Ethan Katsh
Dushkin, 1991
Buku Teks
Sunarjati Hartono
Citra Aditya Bakti, 1991
Buku Teks