Ray, A. (1984). Cost-benefit analysis: Issues and methodologies. Published for the World Bank [by] Johns Hopkins University Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ray, Anandarup. Cost-benefit Analysis: Issues and Methodologies. Baltimore: Published for the World Bank [by] Johns Hopkins University Press, 1984.
Παραπομπή σε μορφή MLA (8th εκδ.)Ray, Anandarup. Cost-benefit Analysis: Issues and Methodologies. Published for the World Bank [by] Johns Hopkins University Press, 1984.
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