Wimmer, Roger D. Mass media research an introduction / [[Book] :] Roger D. Wimmer, Joseph R. Dominick. - 8th ed. - Belmont, CA : Thomson, Wadsworth, c2006. - xii, 468 p. : ill. ; 24 cm. - Wadsworth series in mass communication and journalism . Includes bibliographical references and indexes. ISBN: 0534647189 9780534647186 LCCN: 2004114638 Subjects--Topical Terms: Mass media--Research. Dewey Class. No.: 302.23072 National Library of Medicine Call No.: / WM