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. House. Committee on Ways and Means. Subcommittee on Trade,"Proposals to conform the customs user fee on merchandise processing and the superfund tax differential with U.S. GATT obligations : hearing before the Subcommittee on Trade of the Committee on Ways and Means, House of Representatives, One Hundred First Congress, first session, January 25, 1989",,Congressional Information Service,2000,"U.S. Congressional Committee Publications on GATT & WTO, 1949-1999",,,,https://cir.nii.ac.jp/crid/1130000798033552768