APA aipamena

McKenzie, G. D., & Utgard, R. O. Man and his physical environment: Readings in environmental geology.

Chicago Style aipamena

McKenzie, Garry D., and Russell O. Utgard. Man and His Physical Environment: Readings in Environmental Geology.

MLA aipamena

McKenzie, Garry D., and Russell O. Utgard. Man and His Physical Environment: Readings in Environmental Geology.

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