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,"Trends in family income : 1970-1986, February 1988",,William S. Hein,1991,Congressional Budget Office publications,,,,https://cir.nii.ac.jp/crid/1130282269396966272