Dyfyniad APA

Lobeck, A. (1939). Geomorphology: An introduction to the study of landscapes. McGraw-Hill.

Dyfyniad Arddull Chicago

Lobeck, A.K. Geomorphology: An Introduction to the Study of Landscapes. New York: McGraw-Hill, 1939.

Dyfyniad MLA

Lobeck, A.K. Geomorphology: An Introduction to the Study of Landscapes. McGraw-Hill, 1939.

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