Public relations : principles, cases, and problems 
Moore, H. Frazier. 
 - eight edition 1981. 
 -  Richard D. Irwin Inc.  1981 
 - xvi, 554 pages. 
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<br/><br/><label>ISBN: </label>9-71050226-3 
<br/><br/><label>Dewey Class. No.: </label>659.2 M78p 1981