Biagi, Shirley <br/><br/>
Media/Impact     an introduction to mass media  / 
Shirley Biagi 
 - 2a ed. 
 - Belmont, Calif.  Wadsworth,   1994 
 - 564p.    il. 
<br/><br/> Incluye indice 
<br/><br/><label>ISBN: </label>0534201849 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comunicacion de masas
<br/><br/><label>LC Class. No.: </label>P90  / .B489 1994