Wright, Charles R.  1927- <br/><br/>
Mass communication :  a sociological perspective / 
Charles R. Wright. 
 - 2nd. ed. 
 - New York  :  Random House,  1975. 
 - xii, 179 p. ;  21 cm. 
<br/><br/>Includes index and bibliography : p. 171-173. 
<br/><br/><label>ISBN: </label>0394318838 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media--Social aspects.