Carlson, D. H. (2011). Physical geology: Earth revealed. McGraw-Hill.
Chicago Style aipamenaCarlson, Diane H. Physical Geology: Earth Revealed. McGraw-Hill, 2011.
MLA aipamenaCarlson, Diane H. Physical Geology: Earth Revealed. McGraw-Hill, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.