Landes, K. K. (1948). Physical geology and man. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Landes, Kenneth K. Physical Geology and Man. New York: Prentice-Hall, 1948.
Lua MLA (9ú heag.)Landes, Kenneth K. Physical Geology and Man. Prentice-Hall, 1948.
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