O'Donnell, P. (1939). The truth about Catholics: Memorial edition, July 1st, 1939. Catholic Literature Society.
Dyfyniad Arddull ChicagoO'Donnell, Peter. The Truth About Catholics: Memorial Edition, July 1st, 1939. Los Angeles, Calif.: Catholic Literature Society, 1939.
Dyfyniad MLAO'Donnell, Peter. The Truth About Catholics: Memorial Edition, July 1st, 1939. Catholic Literature Society, 1939.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.