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, R. P. and Asokan, M. and International Crops Research Institute for the Semi-Arid Tropics",Concepts and methods for estimating incomes in village studies in semi-arid tropical India,,International Crops Research Institute for the Semi-Arid Tropics,1981,Economics program,,,,https://cir.nii.ac.jp/crid/1130282272847662976