एपीए उद्धरण

Littleton, C. T. (1962). Industrial piping. Mc Graw - Hill.

शिकागो स्टाइल उद्धरण

Littleton, Charles T. Industrial Piping. New York: Mc Graw - Hill, 1962.

एमएलए उद्धरण

Littleton, Charles T. Industrial Piping. Mc Graw - Hill, 1962.