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,"Prospects for agricultural trade with the USSR : [papers from a seminar on November 30, 1973]",,"Economic Research Service, U.S. Dept. of Agriculture",1974,ERS-foreign,,,,https://cir.nii.ac.jp/crid/1130282270356807808