Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "Schmidt, Folke Fredrik and Neal, Alan C. and Hepple, B. A.",Collective agreements and collective bargaining,,"J.C.B. Mohr,M. Nijhoff",1984,International encyclopedia of comparative law,,,,https://cir.nii.ac.jp/crid/1130282270666290304