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 American Institute of Certified Public Accountants. Federal Taxation Division,Suggested improvements for the Social Security retirement system,,American Institute of Certified Public Accountants,1980,Statement of tax policy,,,,https://cir.nii.ac.jp/crid/1130000795290232832