Biagi, Shirley. Media/impact : an introduction to mass media / Shirley Biagi. - 5th ed. - Australia ; Belmont, CA : Wadsworth Pub., c2001. - xxvii, 425 p. : col. ill. ; 26 cm. Includes bibliographical references and index. ISBN: 0534575102 (pbk.) 0534575110 (instructor's ed.) LCCN: 00-027152 Subjects--Topical Terms: Mass media. Dewey Class. No.: 302.23