1.

図書
図書
1. Diplomacy in the 21st century : a brief introduction
Paul Sharp
出版情報: London : Routledge, 2019
2.

図書
図書
2. The new public diplomacy : soft power in international relations
edited by Jan Melissen
出版情報: Basingstoke ; New York : Palgrave Macmillan, 2012, c2005
シリーズ名: Studies in diplomacy and international relations / general editor, Donna Lee, Paul Sharp