Churchill, A. (1965). The Roosevelts: American aristocrats. New York: Harper and Row.
Dyfyniad Arddull ChicagoChurchill, Allen. The Roosevelts: American Aristocrats. New York: Harper and Row, 1965.
Dyfyniad MLAChurchill, Allen. The Roosevelts: American Aristocrats. New York: Harper and Row, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.