The practice of public relations 
Seitel, Fraser P. 
 - 6th edition. 
 -  Prentice-Hall International, Inc.  1995 
 - xxiv, 552 pages. 
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<br/><br/><label>ISBN: </label>0-13-436320-5 
<br/><br/><label>Dewey Class. No.: </label>659.2 Se4p 1995