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
"Costa, Bruno Ferreira",Challenges and barriers to the European Union expansion to the Balkan Region,,IGI Global,2022,Advances in public policy and administrations (APPA) book series,,9781799890553,,https://cir.nii.ac.jp/crid/1130012225776603180