Dyfyniad APA

Fitzgerald, J. (1993). Business communications: Basic concepts, security, and design (4th ed.). John Wiley & Sons.

Dyfyniad Arddull Chicago

Fitzgerald, Jerry. Business Communications: Basic Concepts, Security, and Design. 4th ed. New York: John Wiley & Sons, 1993.

Dyfyniad MLA

Fitzgerald, Jerry. Business Communications: Basic Concepts, Security, and Design. 4th ed. John Wiley & Sons, 1993.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.