Catholic Church. Secretariatus ad Christianorum Unitatem Fovendam & Bea, A. (1967). Directory on ecumenism. Catholic Truth Society of Ireland.
Chicago-viite (17. p.)Catholic Church. Secretariatus ad Christianorum Unitatem Fovendam ja Augustin Bea. Directory on Ecumenism. [Place of publication not identified]: Catholic Truth Society of Ireland, 1967.
MLA-viite (8. p.)Catholic Church. Secretariatus ad Christianorum Unitatem Fovendam ja Augustin Bea. Directory on Ecumenism. Catholic Truth Society of Ireland, 1967.
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