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Dyfyniad Arddull ChicagoStenzel, Duane. School of Evangelization. [Cincinnati, Ohio?]: [St Clement Friary?], 1979.
Dyfyniad MLAStenzel, Duane. School of Evangelization. [St Clement Friary?], 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.