APA استشهاد

Pennington, R. R. (1973). Company law (3rd ed.). Butterworths.

استشهاد بنمط شيكاغو

Pennington, Robert R. Company Law. 3rd ed. London: Butterworths, 1973.

MLA استشهاد

Pennington, Robert R. Company Law. 3rd ed. Butterworths, 1973.