Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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