Wright, Charles R. <br/><br/>
Mass communication :  a sociological perspective / 
by Charles R. Wright. 
 - 2nd ed. 
 -  c1975. 
 - 179 p. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0394318838 
<br/><br/><label>LC Class. No.: </label>HM258  / .W74