Dyfyniad APA

Catholic Publication Society. Tracts. Catholic Publication Society.

Dyfyniad Arddull Chicago

Catholic Publication Society. Tracts. New York: Catholic Publication Society.

Dyfyniad MLA

Catholic Publication Society. Tracts. Catholic Publication Society.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.