एपीए उद्धरण

Allen, P. W. (1972). Natural rubber and the synthetics. C. Lockwood.

शिकागो स्टाइल उद्धरण

Allen, Peter William. Natural Rubber and the Synthetics. London: C. Lockwood, 1972.

एमएलए उद्धरण

Allen, Peter William. Natural Rubber and the Synthetics. C. Lockwood, 1972.