Dyfyniad APA

Greeley, R. (2013). Introduction to planetary geomorphology. Cambridge University Press.

Dyfyniad Arddull Chicago

Greeley, Ronald. Introduction to Planetary Geomorphology. New York: Cambridge University Press, 2013.

Dyfyniad MLA

Greeley, Ronald. Introduction to Planetary Geomorphology. Cambridge University Press, 2013.

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