Lua APA (7ú heag.)

Finkl, C. W. (1983). Encyclopedia of applied geology. Van Nostrand Reinhold.

Lua i Stíl Chicago (17ú heag.)

Finkl, Charles W. Encyclopedia of Applied Geology. New York: Van Nostrand Reinhold, 1983.

Lua MLA (9ú heag.)

Finkl, Charles W. Encyclopedia of Applied Geology. Van Nostrand Reinhold, 1983.

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