(1894). Machinery. Industrial Press].
Dyfyniad Arddull ChicagoMachinery. [New York, N.Y.: Industrial Press], 1894.
Dyfyniad MLAMachinery. Industrial Press], 1894.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
(1894). Machinery. Industrial Press].
Dyfyniad Arddull ChicagoMachinery. [New York, N.Y.: Industrial Press], 1894.
Dyfyniad MLAMachinery. Industrial Press], 1894.