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Dyfyniad Arddull ChicagoPassionists. General Synod. Congregation of the Passion of Jesus Christ, General Synod, 1990, Calumpanc, PHilippines). Romae: Curia Generalis, 1991.
Dyfyniad MLAPassionists. General Synod. Congregation of the Passion of Jesus Christ, General Synod, 1990, Calumpanc, PHilippines). Curia Generalis, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.