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 "Singleton, Carey B. (Carey Bryan)",Basic agricultural resources of Kenya,,"U.S. Dept. of Agriculture, Economic Research Service",1974,ERS-foreign,,,,https://cir.nii.ac.jp/crid/1130000795564277376