Essentials of world regional geography
by Christopher L. Salter ... [et al.]
Saunders College Publishing, 2000
 Buku Teks SO
Israel, Saul
World geography today
Holt, Rinehart and Winston, 1976
 Buku Teks SO
James, Preston E.
The wide world: a geography
Macmillan, 1972
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Globalization and diversity: geography of a changing world
by Les Rowntree ... [and others]
Prentice-Hall, 2011
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Jackson, Richard H.
World regional geography: issues for today
Wiley, 1986
 Buku Teks SO