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 "Blanpain, R. (Roger) and Biagi, Marco",Private employment agencies : the impact of ILO Convention 181 (1997) and the judgment of the European Court of Justice of 11 December 1997,,Kluwer Law International,1999,Bulletin of comparative labour relations,,9041111182,,https://cir.nii.ac.jp/crid/1130282271100099584