Wimmer, Roger D. Mass media research : an introduction / Roger D. Wimmer, Josep h R. Dominick. - 10th ed. - Boston, Mass. : Cengage- Wadsworth, c2014. - xii, 480 p. : ill. (some col.); 24 cm. - Wadsworth series in mass communication and journalism . Includes bibliographical references and index. ISBN: 9781439082744 (pbk.) 1439083924 (pbk.) 9781439083925 (pbk.) LCCN: 2009-936675 Subjects--Topical Terms: Mass Media--Research. Dewey Class. No.: 302.23072