APA (7th ed.) Zitazioa
Fitzgerald, J. (1993). Business communications: Basic concepts, security, and design (4th ed.). John Wiley & Sons.
Chicago Style (17th ed.) Zitazioa
Fitzgerald, Jerry. Business Communications: Basic Concepts, Security, and Design. 4th ed. New York: John Wiley & Sons, 1993.
MLA (9th ed.) Zitazioa
Fitzgerald, Jerry. Business Communications: Basic Concepts, Security, and Design. 4th ed. John Wiley & Sons, 1993.
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