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. Congressional Budget Office,"CBO responsibilities & organization 1988-1989 ; not available-see CBO responsibilities & organization, 1990-1991; publication CBO-525",,William S. Hein,1991,Congressional Budget Office publications,,,,https://cir.nii.ac.jp/crid/1130282269998107264