APA استشهاد

Alred, G. J. (2003). The business writers handbook (7th ed.). St.Martin's press.

استشهاد بنمط شيكاغو

Alred, Gerald J. The Business Writers Handbook. 7th ed. New York: St.Martin's press, 2003.

MLA استشهاد

Alred, Gerald J. The Business Writers Handbook. 7th ed. St.Martin's press, 2003.