Quintanilla, Kelly M., Business and professional communication : keys for workplace excellence / Kelly M. Quintanilla, Shawn T. Wahl. - Third edition. - Los Angles : Sage, 2017. - xxiv, 371 pages : colored illustrations ; tables, 24 cm. Includes bibliographical references and index. ISBN: 9781506315522 Subjects--Topical Terms: Business communication. Dewey Class. No.: 658.415 / Q4