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 "Sorensen, Elaine Joy",Exploring the reasons behind the narrowing gender gap in earnings,,"Urban Institute Press,Distributed by University Press of America",1991,Urban Institute report,,"0877665079,0877665060",,https://cir.nii.ac.jp/crid/1130282270939159040