Παραπομπή APA

Chernicoff, S., & Whitney, D. (2002). Geology: An introduction to physical geology (3rd ed.). Boston: Houghton Mifflin Company.

Παραπομπή Chicago Style

Chernicoff, Stanley, and Donna Whitney. Geology: An Introduction to Physical Geology. 3rd ed. Boston: Houghton Mifflin Company, 2002.

Παραπομπή MLA

Chernicoff, Stanley, and Donna Whitney. Geology: An Introduction to Physical Geology. 3rd ed. Boston: Houghton Mifflin Company, 2002.

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