Marston, John E. <br/><br/>
The nature of  public relations 

 - New York :   McGraw-Hill,   1963. 
 - 293 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>RELACIONES PUBLICAS<br/>COMUNICACIONES<br/>PUBLICIDAD
<br/><br/><label>Universal Decimal Class. No.: </label>659.4