Johnson, Joseph S.  1937. <br/><br/>
Modern radio station practices / 
Joseph S. Johnson, Kenneth K. Jones. 
 - 2nd ed. 
 - Belmont, Ca. :  Wadsworth Publishing Co.,  1978. 
 - ix, 418 p :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 406-414) and index. 
<br/><br/><label>ISBN: </label>0534005500 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio broadcasting--United States.