APA استشهاد

Peel,Edwin. (2007). The Law of Contract (ed.12.). Sweet & Maxwell.

استشهاد بنمط شيكاغو

Peel,Edwin. The Law of Contract. ed.12. London: Sweet & Maxwell, 2007.

MLA استشهاد

Peel,Edwin. The Law of Contract. ed.12. Sweet & Maxwell, 2007.