Dyfyniad APA

Catholic Church. Secretariatus ad Christianorum Unitatem Fovendam & Bea, A. (1967). Directory on ecumenism. Catholic Truth Society of Ireland.

Dyfyniad Arddull Chicago

Catholic Church. Secretariatus ad Christianorum Unitatem Fovendam and Augustin Bea. Directory on Ecumenism. [Place of publication not identified]: Catholic Truth Society of Ireland, 1967.

Dyfyniad MLA

Catholic Church. Secretariatus ad Christianorum Unitatem Fovendam and Augustin Bea. Directory on Ecumenism. Catholic Truth Society of Ireland, 1967.

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