Black, Sam,  1915-, <br/><br/>
The role of public relations in management / 
Sam Black. 
 - London :  Pitman Pub.,  1972. 
 - vii, 172 pages :  illustrations ;  23 cm. 
<br/><br/><label>ISBN: </label>0273316265 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public relations.