Leet, L. D. (1982). Physical geology. Prentice-Hall.
Tohutoru Kātū Chicago (17th ed.)Leet, L. Don. Physical Geology. Englewood Cliffs: Prentice-Hall, 1982.
Tohutoro MLA (9th ed.)Leet, L. Don. Physical Geology. Prentice-Hall, 1982.
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