United Nations. Industrial Development Organization. (1978). Technology for solar energy utilization. United Nations.
Citazione stile Chigago Style (17a edizione)United Nations. Industrial Development Organization. Technology for Solar Energy Utilization. New York: United Nations, 1978.
Citatione MLA (9a ed.)United Nations. Industrial Development Organization. Technology for Solar Energy Utilization. United Nations, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.