Ronan, E. (1950). Why the family rosary? Grail Publication.
Dyfyniad Arddull ChicagoRonan, Edwin. Why the Family Rosary? St. Meinrad, IN: Grail Publication, 1950.
Dyfyniad MLARonan, Edwin. Why the Family Rosary? Grail Publication, 1950.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.