Metcalf & Eddy. (1995). Waste water engineering: Treatment, disposal , reuse (3rd ed.). TMH.
Chicago Style aipamenaMetcalf and Eddy. Waste Water Engineering: Treatment, Disposal , Reuse. 3rd ed. New Delhi: TMH, 1995.
MLA aipamenaMetcalf and Eddy. Waste Water Engineering: Treatment, Disposal , Reuse. 3rd ed. TMH, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.