Carlson, D. H., Plummer, C. C., & McGeary, D. (2008). Physical geology: Earth revealed (7th ed.). McGraw-Hill Higher Education.
Chicago Style aipamenaCarlson, Diane H., Charles C. Plummer, and David McGeary. Physical Geology: Earth Revealed. 7th ed. New York: McGraw-Hill Higher Education, 2008.
MLA aipamenaCarlson, Diane H., et al. Physical Geology: Earth Revealed. 7th ed. McGraw-Hill Higher Education, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.