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. Bureau of Agricultural Economics and United States. Dept. of Agriculture,"Feed statistics ; including wheat, rye, rice",,U.S. Dept. of Agriculture : U.S. G.P.O.,1940,Statistical bulletin,,,,https://cir.nii.ac.jp/crid/1130000796165123072