GOERKE, R. R. (1962). American history and goverment for prospective citizens. WM.C. Brown Book Company.
Dyfyniad Arddull ChicagoGOERKE, Righter R. American History and Goverment for Prospective Citizens. Dubuque: WM.C. Brown Book Company, 1962.
Dyfyniad MLAGOERKE, Righter R. American History and Goverment for Prospective Citizens. WM.C. Brown Book Company, 1962.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.