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 Office and International Labour Conference,Maintenance of migrant workers' rights in social security (revision of convention no. 48) : seventh item on the agenda,,International Labour Office,1980,Report,,"9221024091,9221024105",,https://cir.nii.ac.jp/crid/1130000798212221056