Perspective on radio and television : Telecommunication in the United States 
Smith, Leslie F. 
 - Third edition. 
 -  Harper and Row Publishers.  1990 
 - xxv, 595 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-06-046301-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Broadcasting -- United States.
<br/><br/><label>Dewey Class. No.: </label>384.54 Sm5p 1990