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. Economic Research Service,Quantity indexes of U.S. agricultural exports and imports,,"Economic Research Service, U.S. Dept. of Agriculture",1969,ERS-foreign,,,,https://cir.nii.ac.jp/crid/1130282270968646784