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 Organisation for Economic Co-operation and Development,Environmental benefits from agriculture : issues and policies : the Helsinki seminar,,Organisation for Economic Co-operation and Development,1997,OECD proceedings,,9264154167,,https://cir.nii.ac.jp/crid/1130282272488584448