World Radio TV Handbook 1990 / 
edited by Andrew G. Sennitt. 
 - 44th ed. 
 - New York  :  Billboard Books ,  © 1989 . 
 - 576 pages :  illustrations ;   23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780823059218 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio broadcasting --Directories.<br/>Television broadcasting--Directories.