Rodman, George. <br/><br/>
Mass media in changing world :  history, industry and controvesy / 
by George Rodman. 
 - fourth edition. 
 - New York :  McGraw-Hill,  2011. 
 - xxvii, 498 pages :  color illustrations ;  cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>ISBN: </label>9780071316323 :  $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media.<br/>Media impact.<br/>Mass media.