Hammer, M. J. (1975). Water and waste-water technology. Wiley.
Chicago Style aipamenaHammer, Mark J. Water and Waste-water Technology. New York: Wiley, 1975.
MLA aipamenaHammer, Mark J. Water and Waste-water Technology. Wiley, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.