एपीए उद्धरण

Mark J. Hammer. (2001). Water and wastewater technology. Upper Saddle River, NJ: Prentice-Hall.

शिकागो स्टाइल उद्धरण

Mark J. Hammer. Water and Wastewater Technology. Upper Saddle River, NJ: Prentice-Hall, 2001.

एमएलए उद्धरण

Mark J. Hammer. Water and Wastewater Technology. Upper Saddle River, NJ: Prentice-Hall, 2001.