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
"United States. Dept. of Agriculture. Economics, Statistics, and Cooperatives Service",Selected agricultural statistics on Spain,,"U.S. Dept. of Agriculture, Economics Statisitcs, and Cooperatives Service",1980,Statistical bulletin,,,,https://cir.nii.ac.jp/crid/1130282269433913984