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. Social Security Administration. Office of Policy and United States. Social Security Administration. Office of Research, Evaluation, and Statistics and Choudhury, Sharmila",Racial and ethinic differences in wealth holdings and portfolio choices,,"Social Security Administration, Office of Policy, Office of Research, Evaluation, and Statistics",2002,ORES working paper series,,,,https://cir.nii.ac.jp/crid/1130000796247542784