Hatzenbuehler. Jefferson, Lincoln, and the Unfinished Work of the Nation. Southern Illinois University Press.
Dyfyniad Arddull ChicagoHatzenbuehler. Jefferson, Lincoln, and the Unfinished Work of the Nation. Southern Illinois University Press.
Dyfyniad MLAHatzenbuehler. Jefferson, Lincoln, and the Unfinished Work of the Nation. Southern Illinois University Press.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.