Catholic Church. Secretariatus ad Christianorum Unitatem Fovendam. (1968). Notes on the application of the ecumenical directory. U.S. Catholic Conference.
Chicago-viite (17. p.)Catholic Church. Secretariatus ad Christianorum Unitatem Fovendam. Notes on the Application of the Ecumenical Directory. Washington: U.S. Catholic Conference, 1968.
MLA-viite (8. p.)Catholic Church. Secretariatus ad Christianorum Unitatem Fovendam. Notes on the Application of the Ecumenical Directory. U.S. Catholic Conference, 1968.
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