United Nations. Economic Commission for Latin America & United Nations. Econ. Commission for Latin America. (1958). Manual on economic development projects. United Nations.
Cita Chicago (17th ed.)United Nations. Economic Commission for Latin America i United Nations. Econ. Commission for Latin America. Manual on Economic Development Projects. New York: United Nations, 1958.
Cita MLA (9th ed.)United Nations. Economic Commission for Latin America i United Nations. Econ. Commission for Latin America. Manual on Economic Development Projects. United Nations, 1958.
Atenció: Aquestes cites poden no estar 100% correctes.