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 tax rates of Illinois cities in 1921,,University of Illinois,1923,University of Illinois bulletin,,,,https://cir.nii.ac.jp/crid/1130000797985794432