Deismireacht APA

Plummer, C. C. (1999). Physical geology. WCB/McGraw-Hill.

Trích dẫn kiểu Chicago

Plummer, Charles C. Physical Geology. WCB/McGraw-Hill, 1999.

Deismireacht MLA

Plummer, Charles C. Physical Geology. WCB/McGraw-Hill, 1999.

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