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 "Armbrust, Earl A. and United States. Congressional Budget Office","Options for federal civil service retirement : an analysis of costs and benefit provisions, December 1978",,William S. Hein,1991,Congressional Budget Office publications,,,,https://cir.nii.ac.jp/crid/1130000794768031360