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 "Peters, Ingo","The European Union's foreign policy in comparative perspective : beyond the ""Actorness and Power"" debate",,Routledge,2016,UACES contemporary European studies series,,9781138776708,,https://cir.nii.ac.jp/crid/1130000796763017856