Ray, A. (1984). Cost-benefit analysis: Issues and methodologies. Published for the World Bank by the Johns Hopkins University Press.
Lua i Stíl Chicago (17ú heag.)Ray, Anandarup. Cost-benefit Analysis: Issues and Methodologies. Baltimore: Published for the World Bank by the Johns Hopkins University Press, 1984.
Lua MLA (9ú heag.)Ray, Anandarup. Cost-benefit Analysis: Issues and Methodologies. Published for the World Bank by the Johns Hopkins University Press, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.