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Dyfyniad Arddull ChicagoHarrington, Roy. L. Marine Engineering. New York: The Society for Naval Architects and Marine Engineers, 1980.
Dyfyniad MLAHarrington, Roy. L. Marine Engineering. The Society for Naval Architects and Marine Engineers, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.