Brassington, R. (1990). Field hydrogeology. Wiley.
Chicago Style (17th ed.) ZitazioaBrassington, R. Field Hydrogeology. New York: Wiley, 1990.
MLA (9th ed.) ZitazioaBrassington, R. Field Hydrogeology. Wiley, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.