Henkin, Louis, author
Council on Foreign Relations, 1979
Buku Teks
edited by Roy C. Macridis
Prentice-Hall, 1959
Buku Teks
Sijthoff & Noordhoff , 1978
Buku Teks
Brockway, Thomas P.
D. Van Nostrand Company, Inc. , 1957
Buku Teks
Columbia University Press, 1981
Buku Teks