एपीए उद्धरण

Pennington, R. R. (1990). Company law (6th ed.). Butterworths.

शिकागो स्टाइल उद्धरण

Pennington, Robert R. Company Law. 6th ed. London: Butterworths, 1990.

एमएलए उद्धरण

Pennington, Robert R. Company Law. 6th ed. Butterworths, 1990.