United Nations United Nations. (1950). Formulation and Economic Appraisal of Development Projects: Book 2 (1.). Technical Assistance Administration training Institute on Economic Appraisal of Development Projects.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)United Nations United Nations. Formulation and Economic Appraisal of Development Projects: Book 2. 1. United Nations: Technical Assistance Administration training Institute on Economic Appraisal of Development Projects, 1950.
MLA -ийн эшлэл (9 дэх хэвлэлт)United Nations United Nations. Formulation and Economic Appraisal of Development Projects: Book 2. 1. Technical Assistance Administration training Institute on Economic Appraisal of Development Projects, 1950.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.