Fetter, C. (1988). Applied hydrogeology (2nd ed.). Merrill Publishing.
Chicago Style aipamenaFetter, C.W. Applied Hydrogeology. 2nd ed. London: Merrill Publishing, 1988.
MLA aipamenaFetter, C.W. Applied Hydrogeology. 2nd ed. Merrill Publishing, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.