APA (7th ed.) Zitazioa
Schroeder Edward D. (1977). Water and waste water treatment. Mc Graw Hill.
Chicago Style (17th ed.) Zitazioa
Schroeder Edward D. Water and Waste Water Treatment. New York: Mc Graw Hill, 1977.
MLA (9th ed.) Zitazioa
Schroeder Edward D. Water and Waste Water Treatment. Mc Graw Hill, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.