UNITED NATIONS. (1978). GUIDE TO PRATICAL PROJECT APRAISAL: SOCIAL BENEFIT COST ANALYSIS IN DEVELOPING COUNTRIES. OXFORD UNIVERSITY PRESS.
Chicago Style (17th ed.) CitationUNITED NATIONS. GUIDE TO PRATICAL PROJECT APRAISAL: SOCIAL BENEFIT COST ANALYSIS IN DEVELOPING COUNTRIES. DELHI: OXFORD UNIVERSITY PRESS, 1978.
MLA引文UNITED NATIONS. GUIDE TO PRATICAL PROJECT APRAISAL: SOCIAL BENEFIT COST ANALYSIS IN DEVELOPING COUNTRIES. OXFORD UNIVERSITY PRESS, 1978.
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