Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Katz, Michael B. and Social Science Research Council (U.S.). Committee for Research on the Urban Underclass","The ""Underclass"" debate : views from history",,Princeton University Press,1993,Princeton paperbacks,,0691006288,,https://cir.nii.ac.jp/crid/1130000793949102464