Hartley, John, Communication, cultural and media studies: the key concepts / John Hartley. - 4th ed. - Abingdon, Oxon ; New York : Routledge, 2011. - xii, 276 p. : ill. ; 22 cm. Includes bibliographical references and index. Prefacetothefourthedition --Introduction --Listofkeyconcepts --KeyConcepts. ISBN: 9780415550758 (alk. paper) Subjects--Topical Terms: Communication.Mass media.Communication and culture. Dewey Class. No.: 302.2 / HAR/C