Bennison, George Mills
An introduction to geological structures and maps
Routledge, 2013
Buku Teks
Strahler, Arthur N.
Introduction to physical geography
John Wiley & Sons, 1967
Buku Teks
Strahler, Arthur N.
Introduction to physical geography
John Wiley & Sons, 1973
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Newbigin, Marion I.
An introduction to physical geography /Marion I. Newbigin
Dent & sons, Ltd., 1925
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Strahler, Arthur N.
Study guide for modern physical geography
John Wiley & Sons, 1983
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