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 Great Britain. Ministry of Labour,"Standard time rates of wages and hours of labour in the United Kingdom at 31st December, 1920",,H.M.S.O.,1921,Cmd,,,,https://cir.nii.ac.jp/crid/1130282269396658816