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,Minimum age : summary of reports on convention no. 138 and recommendation no. 146 : article 19 of the constitution,,International Labour Office,1981,Report,,9221023990,,https://cir.nii.ac.jp/crid/1130282268720739328