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
"Welsh, Rick",Economics of organic grain and soybean production in the Midwestern United States,,Henry A. Wallace Institute for Alternative Agriculture,1999,Policy studies report,,1893182207,,https://cir.nii.ac.jp/crid/1130000794980634240