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
"Kell, W. V.",Agriculture in Ohio and Switzerland counties : study of 400 representative farms brings definite farm program for two counties,,Purdue University,1922,Extension bulletin,,,,https://cir.nii.ac.jp/crid/1130282270708569600