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. Board of Trade,"Profiteering acts, 1919 and 1920 : report on agricultural implements and machinery : prepared by sub-committee appointed by the standing committee on the investigation of prices",,H.M.S.O.,1921,Cmd,,,,https://cir.nii.ac.jp/crid/1130282271335660672