Dumbald, E. (1964). The constitution of the United States. Okalahama press.
Dyfyniad Arddull ChicagoDumbald, Edward. The Constitution of the United States. USA: Okalahama press, 1964.
Dyfyniad MLADumbald, Edward. The Constitution of the United States. Okalahama press, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.