Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Cummings, Scott and Monti, Daniel J.",Gangs : the origins and impact of contemporary youth gangs in the United States,,State University of New York Press,1993,SUNY series in urban public policy,,"079141325X,0791413268",,https://cir.nii.ac.jp/crid/1130282271745498752