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. Foreign Development and Trade Division,"Economic progress of agriculture in developing nations, 1950-68",,"Economic Research Service, U.S. Dept. of Agriculture",1970,Foreign agricultural economic report,,,,https://cir.nii.ac.jp/crid/1130282270711059712