Kahn, O. H. (1917). Americans of German Origin and the War. New York.
Dyfyniad Arddull ChicagoKahn, Otto Hermann. Americans of German Origin and the War. New York, 1917.
Dyfyniad MLAKahn, Otto Hermann. Americans of German Origin and the War. New York, 1917.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.