United Nations. Economic Commission for Europe. (1993). Solar Power Systems. United Nations.
Chicago-čujuhus (17. p.)United Nations. Economic Commission for Europe. Solar Power Systems. New York: United Nations, 1993.
MLA-čujuhus (9. p.)United Nations. Economic Commission for Europe. Solar Power Systems. United Nations, 1993.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.