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.
Cita Chicago (17th ed.)United Nations. Secretary General, 1961- (Thant), i 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.
Cita MLA (9th ed.)United Nations. Secretary General, 1961- (Thant), i 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.