Biagi, Shirley. <br/><br/>
Media / impact :  an introduction to mass media / 
by Shirley Biagi. 
 - 4th ed. 
 - Belmont, California :  Wadsworth Publishing Company ,  1999. 
 - xxvii , 428 pp. :  ill.  ;  25 cm. 
<br/><br/>Includes glossary and index. 
<br/><br/><label>ISBN: </label>9814040606 
<br/><br/><label>LCCN: </label>98022567  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media
<br/><br/><label>Dewey Class. No.: </label>001.51 B47m 1998