Goodall, Brian
The Penguin dictionary of human geography
Penguin Books, 1987
 Buku Referensi
Moore, W. G.
A dictionary of geography : definitions and explanations of terms used in physical geography
Penguin Books, 1974
 Buku Referensi
Moore, W.G.
A dictionary of geography
London : Penguin Books, 1984,
 Buku Referensi
Petersen, James F.
Physical geography
Brooks/Cole Cengage Learning, 2012
 Buku Teks
Strahler, Arthur N.
Physical geography
John Wiley & Sons, 1975
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