Tully Grace. (1949). Franklin Delano Roosevelt My Boss. Peoples Book Club.
Dyfyniad Arddull ChicagoTully Grace. Franklin Delano Roosevelt My Boss. Chicago: Peoples Book Club, 1949.
Dyfyniad MLATully Grace. Franklin Delano Roosevelt My Boss. Peoples Book Club, 1949.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.