APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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