United Nations. Secretary General, 1961- (Thant), & United Nations Department of Economic and Social Affairs. (1963). Planning for economic development: Report of the Secretary-General transmitting the study of a group of experts. United Nations.
Παραπομπή σε μορφή Chicago (17η εκδ.)United Nations. Secretary General, 1961- (Thant), και United Nations Department of Economic and Social Affairs. Planning for Economic Development: Report of the Secretary-General Transmitting the Study of a Group of Experts. New York: United Nations, 1963.
Παραπομπή σε μορφή MLA (9th εκδ.)United Nations. Secretary General, 1961- (Thant), και United Nations Department of Economic and Social Affairs. Planning for Economic Development: Report of the Secretary-General Transmitting the Study of a Group of Experts. United Nations, 1963.