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,"An analysis of special pension benefits for the veterans & survivors of World War I, March 1978, veterans' and Survivors' pension improvement act of 1978",,William S. Hein,1991,Congressional Budget Office publications,,,,https://cir.nii.ac.jp/crid/1130000795919098112