United Nations Industrial Development Organisation. (1978). Guide to Pracatical Project Appraisal: :Social Benefit-Cost Analysis in Developing Countries. OUP.
Chicago Edition CitationUnited Nations Industrial Development Organisation. Guide to Pracatical Project Appraisal: :Social Benefit-Cost Analysis in Developing Countries. New York: OUP, 1978.
Cita MLAUnited Nations Industrial Development Organisation. Guide to Pracatical Project Appraisal: :Social Benefit-Cost Analysis in Developing Countries. OUP, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.