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
Berridge. William A.,"Cycles of unemployment in the United States, 1903-1922",,Houghton Mifflin,1923,Publications of the Pollak Foundation for Economic Research,,,,https://cir.nii.ac.jp/crid/1130000794043999872