Willis, Edgar E.  <br/><br/>
Television, cable, and radio:  a communications approach / 
Edgar E. Willis, Henry B. Aldridge. 
 - Englewood Cliffs, N.J.:  Prentice-Hall,  1992. 
 - 459 p. :   ill. ;   24 cm. 
<br/><br/><label>ISBN: </label>0138980659  RM139.36 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Broadcasting<br/>Broadcasting--United States