Michels, T. (2005). Solar energy. International Solar Energy Society.
Chicago-čujuhus (17. p.)Michels, Tim. Solar Energy. New York: International Solar Energy Society, 2005.
MLA-čujuhus (9. p.)Michels, Tim. Solar Energy. International Solar Energy Society, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.