APA استشهاد

(2007). The law of contract (ed.3.). Lexis Nexis Buttorworths.

استشهاد بنمط شيكاغو

The Law of Contract. ed.3. London: Lexis Nexis Buttorworths, 2007.

MLA استشهاد

The Law of Contract. ed.3. Lexis Nexis Buttorworths, 2007.