Fernald, R. H., & Orrok, G. A. (1921). Engineering of power plants (2d ed.). McGraw-Hill book Co..
Dyfyniad Arddull ChicagoFernald, R. H., and George Alexander Orrok. Engineering of Power Plants. 2d ed. New York [etc.]: McGraw-Hill book Co., 1921.
Dyfyniad MLAFernald, R. H., and George Alexander Orrok. Engineering of Power Plants. 2d ed. McGraw-Hill book Co., 1921.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.