Ray, A. (1984). Cost-benefit analysis: Issues and methodologies. Published for the World Bank [by] Johns Hopkins University Press.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিRay, Anandarup. Cost-benefit Analysis: Issues and Methodologies. Baltimore: Published for the World Bank [by] Johns Hopkins University Press, 1984.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিRay, Anandarup. Cost-benefit Analysis: Issues and Methodologies. Published for the World Bank [by] Johns Hopkins University Press, 1984.
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