Who owns the media? :  concentration of ownership in the mass communications industry / 
Benjamin M. Compaine with Christopher H. Sterling ... [et al.] 
 - New York :  Knowledge Industry Publications,  1979 
 - ix, 370 p. ;  24 cm. 
 - Communications library .
<br/><br/>Includes bibliographical references (p. 341-354) and index 
<br/><br/><label>ISBN: </label>0914236369 
<br/><br/><label>LCCN: </label>79-015891 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media--Economic aspects--United States<br/>Mass media--Political aspects--United States