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
"Singh, Inderjit and Squire, Lyn and Kirchner, James",Agricultural pricing and marketing policies in an African context : a framework for analysis,,World Bank,1985,World Bank staff working papers,,0821305794,,https://cir.nii.ac.jp/crid/1130282271257728384