UNITED NATIONS. (1978). GUIDE TO PRATICAL PROJECT APRAISAL: SOCIAL BENEFIT COST ANALYSIS IN DEVELOPING COUNTRIES. OXFORD UNIVERSITY PRESS.
Chicagoスタイル(17版)引用形式UNITED NATIONS. GUIDE TO PRATICAL PROJECT APRAISAL: SOCIAL BENEFIT COST ANALYSIS IN DEVELOPING COUNTRIES. DELHI: OXFORD UNIVERSITY PRESS, 1978.
MLA(9版)引用形式UNITED NATIONS. GUIDE TO PRATICAL PROJECT APRAISAL: SOCIAL BENEFIT COST ANALYSIS IN DEVELOPING COUNTRIES. OXFORD UNIVERSITY PRESS, 1978.
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