Black, Sam. <br/><br/>
Practical Public Relations/  eng. 
Black, Sam. & Gillman, F C.  
 - 4th ed. 
 - London:  Pitman Publishing,  1976. 
 - xiii, 229p.:  21cm. 
<br/><br/><label>ISBN: </label>0273000675 
<br/><br/><label>Dewey Class. No.: </label>659.2  / BLA