United Nations Industrial Development Organisation. (1978). Guide to Pracatical Project Appraisal: :Social Benefit-Cost Analysis in Developing Countries. OUP.
Chicago-стиль цитированияUnited Nations Industrial Development Organisation. Guide to Pracatical Project Appraisal: :Social Benefit-Cost Analysis in Developing Countries. New York: OUP, 1978.
MLA-цитированиеUnited Nations Industrial Development Organisation. Guide to Pracatical Project Appraisal: :Social Benefit-Cost Analysis in Developing Countries. OUP, 1978.
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