Duffie, J. A., & Beckman, W. A. (1991). Solar engineering of thermal processes (2nd ed.). New York: John Wiley and Sons.
Dyfyniad Arddull ChicagoDuffie, John A., và William A. Beckman. Solar Engineering of Thermal Processes. 2nd ed. New York: John Wiley and Sons, 1991.
Dyfyniad MLADuffie, John A., và William A. Beckman. Solar Engineering of Thermal Processes. 2nd ed. New York: John Wiley and Sons, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.