Dyfyniad APA

E.R.Ambrose. (1966). Heat pumps and electric heating. New York: John Wiley & Son.

Dyfyniad Arddull Chicago

E.R.Ambrose. Heat Pumps and Electric Heating. New York: John Wiley & Son, 1966.

Dyfyniad MLA

E.R.Ambrose. Heat Pumps and Electric Heating. New York: John Wiley & Son, 1966.

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