Gruen, F. B., & Oisy, E. d. (1930). Catechism of the Third Order (15th ed.). Franciscan Herald Press.
Dyfyniad Arddull ChicagoGruen, Ferdinand Bernard, and Eugène d' Oisy. Catechism of the Third Order. 15th ed. Chicago, Ill.: Franciscan Herald Press, 1930.
Dyfyniad MLAGruen, Ferdinand Bernard, and Eugène d' Oisy. Catechism of the Third Order. 15th ed. Franciscan Herald Press, 1930.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.