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
"Phaup, Marvin and United States. Congressional Budget Office","Government-sponsored enterprises and their implicit federal subsidy : the case of Sallie Mae, December 1985",,William S. Hein,1991,Congressional Budget Office publications,,,,https://cir.nii.ac.jp/crid/1130000796299184256