Hilliard, Robert. <br/><br/>
Radio broadcasting: an introduction to the sound medium. 

 - Canada:  Hastings House publishers,  1967. 
 - 190p.:  ill;  24cm 
<br/><br/>Include bibliographical references and index 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Radio<br/>Broadcasting
<br/><br/><label>LC Class. No.: </label>SJMC PN1995.5.H5