Deismireacht APA

Foster, R. J. (1985). Geology. Columbus, Ohio: C.E. Merrill Pub. Co.

Trích dẫn kiểu Chicago

Foster, Robert J. Geology. Columbus, Ohio: C.E. Merrill Pub. Co, 1985.

Deismireacht MLA

Foster, Robert J. Geology. Columbus, Ohio: C.E. Merrill Pub. Co, 1985.

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