White B C <br/><br/>
But first these messages  : the selling of Broadcast advertising 
White B C; Satterthwaite N D 
 - Boston  Boston, Allyn and Bacon  1989 
 - 399p 
<br/><br/><label>ISBN: </label>0-205-11687-6 
<br/><br/><label>Source: </label>Textbook