United Nations. Industrial Development Organization. (1978). Technology for solar energy utilization. United Nations.
Cita Chicago (17th ed.)United Nations. Industrial Development Organization. Technology for Solar Energy Utilization. New York: United Nations, 1978.
Cita MLA (9th ed.)United Nations. Industrial Development Organization. Technology for Solar Energy Utilization. United Nations, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.