एपीए उद्धरण

Johnson,Lynn E. (2008). Geographic information systems in water resources engineering. CRC press.

शिकागो स्टाइल उद्धरण

Johnson,Lynn E. Geographic Information Systems in Water Resources Engineering. New York: CRC press, 2008.

एमएलए उद्धरण

Johnson,Lynn E. Geographic Information Systems in Water Resources Engineering. CRC press, 2008.