Hiebert, Ray Eldon. <br/><br/>
Mass media :  an introduction to modern communication / 
Ray Eldon Hiebert, Donald F. Ungurait, Thomas W. Bohn. 
 - New York :  McKay ,  c1974. 
 - xvi, 495 p. :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 445-482. 
<br/><br/><label>ISBN: </label>0679302379 9780679302377 
<br/><br/><label>LCCN: </label>72096710  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication.<br/>Mass media.<br/>Comunicación.
<br/><br/><label>LC Class. No.: </label>P 90  / H633m 1974