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
"Crickman, C. W.","A partial correlation analysis of farm organization and management data from Warren County, Iowa",,"Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts",1925,Research bulletin,,,,https://cir.nii.ac.jp/crid/1130000798126371200