Plummer, C. C. (2005). Physical geology. McGraw-Hill.
Trích dẫn kiểu ChicagoPlummer, Charles C. Physical Geology. McGraw-Hill, 2005.
MLA引文Plummer, Charles C. Physical Geology. McGraw-Hill, 2005.
警告：这些引文格式不一定是100％准确.
APA引文
Plummer, C. C. (2005). Physical geology. McGraw-Hill.
Trích dẫn kiểu ChicagoPlummer, Charles C. Physical Geology. McGraw-Hill, 2005.
MLA引文Plummer, Charles C. Physical Geology. McGraw-Hill, 2005.