Rivers, William L <br/><br/>
Responsibility in mass communication 
William L. Rivers, Wilbur Schramm, Clifford G. Christians 
 - 3d ed 
 - New York  Harper & Row  1980 
 - 378 p 22 cm 
<br/><br/> Includes index 
<br/><br/>Bibliography: p. 362-369 
<br/><br/><label>ISBN: </label>0060135948  14.95 
<br/><br/><label>LCCN: </label>79-3400 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media--Social aspects