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 and Council of the European Union,"80/987/EEC, Council Directive of 20 October 1980 on the approximation of the laws of the Member States relating to the protection of employees in the event of the insolvency of their employer = 80/987/CEE, directive du Conseil, du 20 octobre 1980, concernant le rapprochement des législations des états membres relatives à la protection des travailleurs salariés en cas d'insolvabilité de l'employeur",,Office for Official Publications of the European Communities,1996,Collection of consolidated texts = Recueil de textes consolidés,,9282786307,,https://cir.nii.ac.jp/crid/1130282269727683200