Kolevzon, Edward R., author
Our world and its people
Allyn and Bacon, 1959
 Buku Teks
James, Preston E., author
The wide world: a geography
Macmillan, 1972
 Buku Teks
Globalization and diversity: geography of a changing world
by Les Rowntree ... [and others]
Prentice-Hall, 2011
 Buku Teks
Cole, J.P., author
Geography of world affairs / J.P. Cole
Penguin Books, 1979
 Buku Teks
Countries of the world and their leaders yearbook 1991
edited by Frank E. Bair
Gale Research Inc., 1991
 Buku Referensi
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