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 University of Illinois (Urbana-Champaign campus). Bureau of Economic and Business Research,The automobile and the village merchant : the influence of automobiles and paved roads on the business of Illinois village merchants,,University of Illinois,1928,University of Illinois bulletin,,,,https://cir.nii.ac.jp/crid/1130000795276989952