Gritzen, F. (1980). Introduction to naval engineering. Naval institute press.
Dyfyniad Arddull ChicagoGritzen, Frederick. Introduction to Naval Engineering. Annapolis: Naval institute press, 1980.
Dyfyniad MLAGritzen, Frederick. Introduction to Naval Engineering. Naval institute press, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.