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,Methods of compiling statistics of coal-mining accidents,,"[International Labour Office],Published for the International Labour Office by P. S. King",1929,Studies and reports,,,,https://cir.nii.ac.jp/crid/1130000797936167040