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
"Brams, Steven J. and Potthoff, Richard",Proportional representation : broadening the options,,C.V. Starr Center for Applied Economics : New York University Faculty of Arts and Science Department of Economics,1997,Economic research reports,,,,https://cir.nii.ac.jp/crid/1130000795287152512