DuBrin, A. J. (2007). Human relations: A customized text for effective communication in small groups ([Ninth edition].). Pearson/Custom Publishing.
Citace podle Chicago (17th ed.)DuBrin, Andrew J. Human Relations: A Customized Text for Effective Communication in Small Groups. [Ninth edition]. [Upper Saddle River, New Jersey]: Pearson/Custom Publishing, 2007.
Citace podle MLA (9th ed.)DuBrin, Andrew J. Human Relations: A Customized Text for Effective Communication in Small Groups. [Ninth edition]. Pearson/Custom Publishing, 2007.
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