Biagi, Shirley, Media/impact : an introduction to mass media / Shirley Biagi, California State University, Sacramento. - Eleventh edition - xxvi, 422 pages : illustrations (chiefly colour). - Cengage series in mass communication and journalism . Includes bibliographical references and index ISBN: 9781133311386 Subjects--Topical Terms: Mass media LC Class. No.: P90 / B523M 2015