APA استشهاد

Leyland,Peter. (2009). Text book on Administrative law (ed.6th.). Oxford university press.

استشهاد بنمط شيكاغو

Leyland,Peter. Text Book on Administrative Law. ed.6th. Oxford: Oxford university press, 2009.

MLA استشهاد

Leyland,Peter. Text Book on Administrative Law. ed.6th. Oxford university press, 2009.