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
World Bank/FAO/UNIDO/Industry Fertilizer Working Group,"World and regional supply and demand balances for nitrogen, phosphate, and potash, 1989/90-1995/96",,World Bank,1991,World Bank technical paper,,0821318829,,https://cir.nii.ac.jp/crid/1130282272485024768