एपीए उद्धरण

Droste, R. L. (1997). Theory and practice of water and wastewater treatment. New York: John Wiley and Sons.

शिकागो स्टाइल उद्धरण

Droste, Ronald L. Theory and Practice of Water and Wastewater Treatment. New York: John Wiley and Sons, 1997.

एमएलए उद्धरण

Droste, Ronald L. Theory and Practice of Water and Wastewater Treatment. New York: John Wiley and Sons, 1997.