Public relations metrics : research and evaluation / 
edited by Betteke van Ruler, Ana Tkalac Vercic and Dejan Vercic 
 -  Routledge  2008 
<br/><br/>17572 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public relations - Evaluation<br/>Public relations - Research
<br/><br/><label>LC Class. No.: </label>HM1221  / Pub