United Nations industrial development organizations. (1978). Guide to practical project appraisal: Social benefit-cost analysis in developing countries. United Nations.
Цитирование в стиле Чикаго (17-е изд.)United Nations industrial development organizations. Guide to Practical Project Appraisal: Social Benefit-cost Analysis in Developing Countries. New York: United Nations, 1978.
Цитирование MLA (9-е изд.)United Nations industrial development organizations. Guide to Practical Project Appraisal: Social Benefit-cost Analysis in Developing Countries. United Nations, 1978.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.