Head, Sydney W. <br/><br/>
Broadcasting in America :  a survey of electonic media / 
Sydney W.Head, Christopher H.Sterling with contributions by Susan Tyler Eastern, Lemuel B. Schofield 
 - 6th.ed. 
 - Boston :  Houghton Mifflin,  1990 
 - 615p. :  ill. ;  24cm. 
<br/><br/>Bibliography: p.549-578 
<br/><br/><label>ISBN: </label>0395432537 
<br/><br/><label>LCCN: </label>89-80939 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Broadcasting--United States