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
"Nicholls, W. D. (William Durrett)",An economic study of 270 farms in Union and Henderson counties,,"Kentucky Agricultural Experiment Station, University of Kentucky",1925,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282269577784448