Carlson, D. H., & Plummer,Charles C. McGeary, D. (2006). Physical geology: Earth revealed (6th ed.). McGraw Hill.
Chicago Style citaatCarlson, Diane H., en David Plummer,Charles C. McGeary. Physical Geology: Earth Revealed. 6th ed. Boston: McGraw Hill, 2006.
MLA citatieCarlson, Diane H., en David Plummer,Charles C. McGeary. Physical Geology: Earth Revealed. 6th ed. McGraw Hill, 2006.
Let op: Deze citaties zijn niet altijd 100% accuraat.