Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Capra, James R. and Schafer, Robert and Renehan, Patrick L. and United States. Congressional Budget Office","Budgetary cost savings to the Department of Defense resulting from foreign military sales, May 1976",,William S. Hein,1991,Congressional Budget Office publications,,,,https://cir.nii.ac.jp/crid/1130000794136763264