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 United States. Congress. Senate. Committee on Finance and United States. Congress. Senate,"Revenue act of 1921 : copy of the bill (H.R. 8245) to reduce and equalize taxation, to amend and simplify the Revenue act of 1918, and for other purposes, as reported by the Senate Committee on Finance showing the House bill in roman; all committee amendments in stricken-through type or italic, with such parts of committee amendments as reenact the present law of 1918 in small capital italic, and new matter in regular italic",,G.P.O.,1921,Document,,,,https://cir.nii.ac.jp/crid/1130282268653068288