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 European Productivity Agency,Agricultural regions in the E.E.C. : study carried out jointly by the E.E.C. and the O.E.E.C.,,"Organisation for European Economic Co-operation, European Productivity Agency",1960,Documentation in food and agriculture,,,,https://cir.nii.ac.jp/crid/1130000798160607872