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
"Visaria, Pravin M. and Pal, Shyamalendu","Some aspects of relative poverty in Sri Lanka, 1969-70",,World Bank,1981,World Bank staff working papers,,,,https://cir.nii.ac.jp/crid/1130282268823765376