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. ISBN: 0534575102 0534575110 9780534575106 9780534575113 Subjects--Topical Terms: Mass media. LC Class. No.: P90 / .B489 2001 Dewey Class. No.: 302.23