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. Joint Economic Committee,"Improving the efficiency of commodity futures markets : hearing before the Joint Economic Committee, Congress of the United States, Ninety-eighth Congress, second session, April 25, 1984",,U.S. Govt. Print. Off.,1984,S. hrg.,,,,https://cir.nii.ac.jp/crid/1130000797333883904