Blumenthal, L. Roy <br/><br/>
The practice of public relations / 
L. Roy Blumenthal 
 - New York :  Macmillan,  c1972 
 - xvi, 278 p. ;  26 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> USD 18.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public relations
<br/><br/><label>Dewey Class. No.: </label>659.2