Plummer, C. C., Carlson, D. H., & Hammersley, L. (2019). Physical geology (Sixteenth edition, International student edition.). McGraw-Hill/Education, Inc.
Chicago Style aipamenaPlummer, Charles C., Diane H. Carlson, and Lisa Hammersley. Physical Geology. Sixteenth edition, International student edition. New York, NY: McGraw-Hill/Education, Inc, 2019.
MLA aipamenaPlummer, Charles C., et al. Physical Geology. Sixteenth edition, International student edition. McGraw-Hill/Education, Inc, 2019.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.