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 European Union. Directorate-General for Regional Policy and Cohesion,"The work of the structural funds in 1997 : summary of the annual report, 17.12.1998 - EN",,"European Commission, Directorate-General for Regional Policy and Cohesion",1998,Inforegio,,,,https://cir.nii.ac.jp/crid/1130282268827799168