Ritter, D. F., & Kochel, R. C. (1995). Process geomorphology (3rd ed.). Wm. C. Brown Publishers.
Tohutoru Kātū Chicago (17th ed.)Ritter, Dale F., me R. Craig Kochel. Process Geomorphology. 3rd ed. Dubuque, Iowa: Wm. C. Brown Publishers, 1995.
Tohutoro MLA (9th ed.)Ritter, Dale F., me R. Craig Kochel. Process Geomorphology. 3rd ed. Wm. C. Brown Publishers, 1995.
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