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
"Jaeger, William K. (William Kenneth)",Agricultural mechanization : the economics of animal draft power in West Africa,,Westview,1986,Westview special studies in agriculture science and policy,,0813373565,,https://cir.nii.ac.jp/crid/1130000797961080320