Koehler, J. W., & Sisco, J. I. (1981). Public communication in business and the professions. West Pub. Co..
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Dyfyniad Arddull Chicago
Koehler, Jerry W., and John I. Sisco. Public Communication in Business and the Professions. St. Paul: West Pub. Co., 1981.
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Dyfyniad MLA
Koehler, Jerry W., and John I. Sisco. Public Communication in Business and the Professions. West Pub. Co., 1981.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.