United Nations industrial development organizations. (1978). Guide to practical project appraisal: Social benefit-cost analysis in developing countries. United Nations.
Style de citation Chicago (17e éd.)United Nations industrial development organizations. Guide to Practical Project Appraisal: Social Benefit-cost Analysis in Developing Countries. New York: United Nations, 1978.
Style de citation MLA (9e éd.)United Nations industrial development organizations. Guide to Practical Project Appraisal: Social Benefit-cost Analysis in Developing Countries. United Nations, 1978.
Attention : ces citations peuvent ne pas être correctes à 100%.