United Nations, 1992
Buku Teks
Hambro, Edvard, author
A.W. Sythoff, 1963
Buku Teks
United Nations , [date of publication not identified]
Buku Teks
Wright, Quincy, author
Asia Publishing House, 1960
Buku Teks
Dell, Sidney
Duke University Press, 1990
Buku Teks