O'Hair, Dan. Strategic communication in business and the professions/ Dan O;Hair, Gustav W. Friedrich and Lynda Dee Dixon. -- 7th ed. -- Boston; Allyn and Bacon., 2011. xvi, 440 p.; ill. 26 cm. Includes bibliographical indexes. ISBN: 0780205782130 Subjects--Topical Terms: Business communication.Dewey Class. No.: GSL 658.45 Oh12 2011