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
"Valdes, Alberto and Schaeffer, Barry and Martín, Julio",Surveillance of agricultural price and trade policies : a handbook for Paraguay,,World Bank,1996,World Bank technical paper,,0821336940,,https://cir.nii.ac.jp/crid/1130000798085962368