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
"McDonald, Thomas and Coffman, George W. and United States. Dept. of Agriculture. Economics and Statistics Service","Fewer, larger U.S. farms by year 2000-and some consequences",,"U.S. Dept. of Agriculture, Economics and Statistics Service",1980,Agriculture information bulletin,,,,https://cir.nii.ac.jp/crid/1130282268966132608