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 "Gstöhl, Sieglinde and Schunz, Simon",Theorizing the European neighbourhood policy,,Routledge,2018,Routledge studies in European foreign policy,,9781138361966,,https://cir.nii.ac.jp/crid/1130573251004805269