Rivers, William L. <br/><br/>
Responsibility in mass communication / 
William L. Rivers, Wilbur Schramm, Clifford G. Christians. 
 - 3rd ed. 
 - New York:   Harper and Row Publishers,   1980.  
 - 378 p. ;  21 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0060135948 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Μέσα μαζικής ενημέρωσης--Κοινωνικές απόψεις
<br/><br/><label>Dewey Class. No.: </label>301.161