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
"Kassam, A. H. and Food and Agriculture Organization of the United Nations",Agro-ecological land resources assessment for agricultural development planning : a case study of Kenya : resources data base and land productivity,,Food and Agriculture Organization of the United Nations,1991,World soil resources reports,,9251034354,,https://cir.nii.ac.jp/crid/1130282273351920384