WebLibNetThornbury William D. (1969). Principles of geomorphology (2nd ed.). New York: John Wiley.
Chicago Style CitationThornbury William D. Principles of Geomorphology. 2nd ed. New York: John Wiley, 1969.
MLA CitationThornbury William D. Principles of Geomorphology. 2nd ed. New York: John Wiley, 1969.
Warning: These citations may not always be 100% accurate.