APA استشهاد

Upex, R. D. (2004). Davies on contract (9th ed.). Sweet & maxwell.

استشهاد بنمط شيكاغو

Upex, Robert Davies. Davies on Contract. 9th ed. London: Sweet & maxwell, 2004.

MLA استشهاد

Upex, Robert Davies. Davies on Contract. 9th ed. Sweet & maxwell, 2004.