APA aipamena

Plummer, C. C., Carlson, D. H., & McGeary, D. (2003). Physical geology (9th ed.). Boston: McGraw-Hill.

Chicago Style aipamena

Plummer, Charles C., Diane H. Carlson, và David McGeary. Physical Geology. 9th ed. Boston: McGraw-Hill, 2003.

MLA aipamena

Plummer, Charles C., Diane H. Carlson, và David McGeary. Physical Geology. 9th ed. Boston: McGraw-Hill, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.