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 International Labour Conference and International Labour Office,Protection of workers' claims in the event of the insolvency of their employer : fourth item on the agenda,,International Labour Office,1991,Report,,"9221079678,9221079686,922007978X",,https://cir.nii.ac.jp/crid/1130282270350237568