Gabler, Robert E., author
Essentials of physical geography / Robert E. Gabler
Thomson , 2004
 Buku Teks
Newbigin, Marion I.
An introduction to physical geography /Marion I. Newbigin
Dent & sons, Ltd., 1925
 Buku Teks
Petersen, James F., author
Physical geography
Brooks/Cole Cengage Learning, 2012
 Buku Teks
Whittow, John B., author
The Penguin dictionary of physical geography
Allen Lane, 1984
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Strahler, Alan A., author
Introducing to physical geography : environmental update
John Wiley & Sons, 1996
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