Dyfyniad APA

John A Duffie. (1991). Solar engineering of thermal processes. New York: John Wiley and Sons.

Dyfyniad Arddull Chicago

John A Duffie. Solar Engineering of Thermal Processes. New York: John Wiley and Sons, 1991.

Dyfyniad MLA

John A Duffie. Solar Engineering of Thermal Processes. New York: John Wiley and Sons, 1991.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.