Mason, C. (1996). Biology of freshwater pollution. London: Longman.
Chicago Style aipamenaMason, C.F. Biology of Freshwater Pollution. London: Longman, 1996.
MLA aipamenaMason, C.F. Biology of Freshwater Pollution. London: Longman, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.