Army Service Forces Manual. (1945). Civil affairs handbook Germany; M356-11A: Transportation systems; inland waterways-a tabular summary. Washington.
Dyfyniad Arddull ChicagoArmy Service Forces Manual. Civil Affairs Handbook Germany; M356-11A: Transportation Systems; Inland Waterways-a Tabular Summary. Washington, 1945.
Dyfyniad MLAArmy Service Forces Manual. Civil Affairs Handbook Germany; M356-11A: Transportation Systems; Inland Waterways-a Tabular Summary. Washington, 1945.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.