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 "Hookstadt, Carl and United States. Bureau of Labor Statistics","Comparison of workmen's compensation laws of the United States and Canada up to January 1, 1920",,Govt. Print. Off.,1920,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282270571255168