Gerr, D. (2001). Elements of boat strength: :for builders,designers and owners. Mc Graw - Hill.
Dyfyniad Arddull ChicagoGerr, Dave. Elements of Boat Strength: :for Builders,designers and Owners. New York: Mc Graw - Hill, 2001.
Dyfyniad MLAGerr, Dave. Elements of Boat Strength: :for Builders,designers and Owners. Mc Graw - Hill, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.