著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Damro, Chad and Gstöhl, Sieglinde and Schunz, Simon",The European Union's evolving external engagement : towards new sectoral diplomacies?,,Routledge,2019,Routledge studies in European foreign policy,,9780367889227,,https://cir.nii.ac.jp/crid/1130291776293653692