Hodgson, Ernest
Elsevier, 1987
Buku Teks
Loomis, Ted A., author
IKIP Semarang Press , 1978
Buku Teks
Williams & Wilkins,, 1980
Buku Teks
Chand, Hari
International Law Book Services, 1994
Buku Teks
edited by Jorge Glusberg
Academy Editions, 1982
Buku Teks