APA (7th ed.) Zitazioa
Koehler, J. W., & Sisco, J. I. (1981). Public communication in business and the professions. West Pub. Co..
Chicago Style (17th ed.) Zitazioa
Koehler, Jerry W., eta John I. Sisco. Public Communication in Business and the Professions. St. Paul: West Pub. Co., 1981.
MLA (9th ed.) Zitazioa
Koehler, Jerry W., eta John I. Sisco. Public Communication in Business and the Professions. West Pub. Co., 1981.
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