2Eytan Gilboa, Searching for a theory of public diplomacy, American Academy of Political and Social Science, March 2008.
3Robert M. Entman, Theorizing Mediated Public Diplomacy: The U.S. Case, The International Journal of Press/Politics 2008 13 : 87.
4Nicholas J. Cull, Public Diplomacy : Taxonomies and Histories, The ANNALS of the American Academy of Political and Social Science 2008.
5Seong - Hun Yun and Elizabeth L. Toth, Future Sociological Public Diplomacy and the Role of Public Relations : Evolution of Public Diplomacy, American Behavioral Scientist 2009 53.