Encyclopedia of public relations / 
editor, Robert L. Heath 
 - Thousand Oaks, CA :  SAGE,  c2005 
 - 2 v. (xxxi, 1067 p.) :  ill. ;  29 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0761927336 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public relations--Encyclopedias