Ross, I. (1968). The loneliest campaign: The Truman victory of 1948. New American Library.
Dyfyniad Arddull ChicagoRoss, Irwin. The Loneliest Campaign: The Truman Victory of 1948. New York: New American Library, 1968.
Dyfyniad MLARoss, Irwin. The Loneliest Campaign: The Truman Victory of 1948. New American Library, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.