एपीए उद्धरण

Water Environment Federation. (2008). Operation of municipal wastewater treatment plants (6th ed.). New York: WEF Press ; McGraw Hill.

शिकागो स्टाइल उद्धरण

Water Environment Federation. Operation of Municipal Wastewater Treatment Plants. 6th ed. New York: WEF Press ; McGraw Hill, 2008.

एमएलए उद्धरण

Water Environment Federation. Operation of Municipal Wastewater Treatment Plants. 6th ed. New York: WEF Press ; McGraw Hill, 2008.