Dib, Georges Moussa, author
Djambatan, 1956
Buku Teks
Dell, Sidney
Duke University Press, 1990
Buku Teks
Stoessinger, John G., author
Brookings Institution, 1964
Buku Teks
United Nations
United Nations Department of Public Information, 2002
Buku Teks
New York, Department of Public Information United Nations, 1957
Buku Referensi