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 Commission. Directorate-General XXII, Education, Training, and Youth",European voluntary service for young people,,"European Commission, Directorate-General XXII, Education, training and youth",1999,Education training youth,,9282836312,,https://cir.nii.ac.jp/crid/1130000796904124800