एपीए उद्धरण

Kiely, G. (1997). Environmental engineering. London: McGraw-Hill.

शिकागो स्टाइल उद्धरण

Kiely, Gerard. Environmental Engineering. London: McGraw-Hill, 1997.

एमएलए उद्धरण

Kiely, Gerard. Environmental Engineering. London: McGraw-Hill, 1997.