(1903). Steam engineering. Industrial Press.
Dyfyniad Arddull ChicagoSteam Engineering. New York: Industrial Press, 1903.
Dyfyniad MLASteam Engineering. Industrial Press, 1903.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
(1903). Steam engineering. Industrial Press.
Dyfyniad Arddull ChicagoSteam Engineering. New York: Industrial Press, 1903.
Dyfyniad MLASteam Engineering. Industrial Press, 1903.