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
"Lancaster, Kelvin","Variety, equity, and efficiency : product variety in an industrial society",,Columbia University Press,1979,Columbia studies in economics,,0231046162,,https://cir.nii.ac.jp/crid/1130282272370653056