APA استشهاد

Foulkes, D. (1976). Introduction to Administrative Law (4th ed.). Butterworths.

استشهاد بنمط شيكاغو

Foulkes, David. Introduction to Administrative Law. 4th ed. London: Butterworths, 1976.

MLA استشهاد

Foulkes, David. Introduction to Administrative Law. 4th ed. Butterworths, 1976.