Haggett, Peter
Geography: a global synthesis
Prentice-Hall, 2001
 Buku Teks
James, Preston E.
One world divided : a geographer looks at the modern world
John Wiley & Sons, 1980
 Buku Teks SO
Strahler, Arthur N.
Modern physical geography
John Wiley & Sons, 1983
 Buku Teks
Strahler, Arthur N.
Study guide for modern physical geography
John Wiley & Sons, 1983
 Buku Teks
Hammond's New international world atlas : the modern, medieval and ancoent world
C.S. Hammond & Company
C.S. Hammond & Company, 1958
 Buku Teks