Citazione APA

United Nations. (1978). Guide to practical project appraisal: Social benefit - cost analysis in developing countries. Oxford & IOH Publishing Company.

Stile di citazione Chicago

United Nations. Guide to Practical Project Appraisal: Social Benefit - Cost Analysis in Developing Countries. New Delhi: Oxford & IOH Publishing Company, 1978.

Citazione MLA

United Nations. Guide to Practical Project Appraisal: Social Benefit - Cost Analysis in Developing Countries. Oxford & IOH Publishing Company, 1978.