Barnes, J. W. (1995). Basic geological mapping (3rd ed.). John Wiley.
Chicago Style aipamenaBarnes, John W. Basic Geological Mapping. 3rd ed. New York: John Wiley, 1995.
MLA aipamenaBarnes, John W. Basic Geological Mapping. 3rd ed. John Wiley, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.