Wilcox, Dennis L..
Public relations: strategies and tactic /
Dennis L. Wilcox, Phillip H. Ault, Warren K. Agee 
. - 5nd edition 
. - New York : Addison-Wesley,  1998 
. - xxiv, 584 p.  ill., tab.  23 cm. 
<br/>К.: Бібліогр. : c. 549-565, Index. 
<br/><label>  ISBN: </label>0-321-01547-9