Lua APA (7ú heag.)

Montgomery, C. W. (2006). Environmental geology (7th ed.). McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Montgomery, Carla W. Environmental Geology. 7th ed. Boston: McGraw-Hill, 2006.

Lua MLA (9ú heag.)

Montgomery, Carla W. Environmental Geology. 7th ed. McGraw-Hill, 2006.

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