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,"Fiscal year 1991 Customs Service budget authorization and Customs user fee : hearing before the Committee on Finance, United States Senate, One Hundred First Congress, second session, February 22, 1990",,Congressional Information Service,2000,"U.S. Congressional Committee Publications on GATT & WTO, 1949-1999",,,,https://cir.nii.ac.jp/crid/1130282270784256640