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. Office of Technology Assessment,Trading around the clock : global securities markets and information technology,,"Congress of the United States, Office of Technology Assessment,[For sale by the Supt. of Docs, U.S. G.P.O.]",1990,Background paper,,,,https://cir.nii.ac.jp/crid/1130000796065892480