APA استشهاد

Treitel,G.H. (2003). The law of contract (ed.11.). Sweet and Maxwell.

استشهاد بنمط شيكاغو

Treitel,G.H. The Law of Contract. ed.11. London: Sweet and Maxwell, 2003.

MLA استشهاد

Treitel,G.H. The Law of Contract. ed.11. Sweet and Maxwell, 2003.