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
"Townsend, Robert Frederick",Agricultural incentives in sub-Saharan Africa : policy challenges,,World Bank,1999,World Bank technical paper,,0821345281,,https://cir.nii.ac.jp/crid/1130000793831410048