Chernicoff, S., Fox, H. A., & Venkatakrishnan, R. (1997). Essentials of geology. Worth Publishers.
Chicago Style (17th ed.) CitationChernicoff, Stanley, Haydn A. Fox, and Ramesh Venkatakrishnan. Essentials of Geology. New York: Worth Publishers, 1997.
ציטוט MLAChernicoff, Stanley, et al. Essentials of Geology. Worth Publishers, 1997.
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