APA (7e ed.) Bronvermelding

Carlson, D. H., Plummer, C. C., & McGeary, D. (2006). Physical Geology: Earth revealed (6th ed.). McGraw - Hill.

Chicago (17e ed.) Bronvermelding

Carlson, Diane H., Charles C. Plummer, en David McGeary. Physical Geology: Earth Revealed. 6th ed. Boston: McGraw - Hill, 2006.

MLA (9e ed.) Bronvermelding

Carlson, Diane H., et al. Physical Geology: Earth Revealed. 6th ed. McGraw - Hill, 2006.