एपीए उद्धरण

Robert G Nunn. (1997). Water treatment essential for boiler plant operation. New York: McGraw-Hill.

शिकागो स्टाइल उद्धरण

Robert G Nunn. Water Treatment Essential for Boiler Plant Operation. New York: McGraw-Hill, 1997.

एमएलए उद्धरण

Robert G Nunn. Water Treatment Essential for Boiler Plant Operation. New York: McGraw-Hill, 1997.