एपीए उद्धरण

Ryan, W. J. (2000). Water: Treatment and purification technology.

शिकागो स्टाइल उद्धरण

Ryan, William J. Water: Treatment and Purification Technology. Jodhpur, Agrobios, 2000.

एमएलए उद्धरण

Ryan, William J. Water: Treatment and Purification Technology. 2000.