United States. Navy Dept & Hichborn, P. (1886). Report on European dock-yards. Gov̓t Print. Off..
Dyfyniad Arddull ChicagoUnited States. Navy Dept and Philip Hichborn. Report on European Dock-yards. Washington: Gov̓t Print. Off., 1886.
Dyfyniad MLAUnited States. Navy Dept and Philip Hichborn. Report on European Dock-yards. Gov̓t Print. Off., 1886.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.