Lambert, D. (1998). The field guide to geology (Updated edition.). Facts on File,Inc.
Chicago Style aipamenaLambert, David. The Field Guide to Geology. Updated edition. New York: Facts on File,Inc, 1998.
MLA aipamenaLambert, David. The Field Guide to Geology. Updated edition. Facts on File,Inc, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.