Public relations : what research tells us 
Pavlik, John V. 
 -  Sage Publications, Inc.  1987 
 - 152 pages. 
 - The Sage CommText Series .
<br/><br/>
<br/><br/><label>ISBN: </label>0-8039-2951-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication -- Research.
<br/><br/><label>Dewey Class. No.: </label>659.2072 P28p 1987