Lemberg, Diana.,  author. <br/><br/>
Barriers down :  how American and free-flow politicies shaped global media/ 
Diana Lemberg. 
 - New York :  Columbia University Press,   2019. 
 - 296 pages :  illustrations ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9780231182171 (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass media.<br/>Mass media and culture.<br/>United States.<br/>Mass media--Political aspects.<br/>Communication International.