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,"Public investment in human and physical infrastructure : hearing before the Joint Economic Committee, Congress of the United States, One Hundred First Congress, first session, July 19, 1989",,U.S. Govt. Print. Off.,1990,S. hrg.,,,,https://cir.nii.ac.jp/crid/1130282271898114816