Biagi, Shirley Media/impact : an introduction to mass media / Shirley Biagi - 3rd ed. - Belmont, Ca. : Wadsworth Publishing Co., 1996 - 411 p. : ill. ; 26 cm. Includes bibliographical references and index. ISBN: 0534217443 RM127.34 LCCN: 95-002932 Subjects--Topical Terms: Mass media