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","Small farmers in South Asia : their characteristics, productivity, and efficiency",,World Bank,1988,World Bank discussion papers,,0821310909,,https://cir.nii.ac.jp/crid/1130282272670122624