S.M.Mathur. (2010). Guide to Field Geology. PHI.
Chicago Style aipamenaS.M.Mathur. Guide to Field Geology. NewDelhi: PHI, 2010.
MLA aipamenaS.M.Mathur. Guide to Field Geology. PHI, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
S.M.Mathur. (2010). Guide to Field Geology. PHI.
Chicago Style aipamenaS.M.Mathur. Guide to Field Geology. NewDelhi: PHI, 2010.
MLA aipamenaS.M.Mathur. Guide to Field Geology. PHI, 2010.