Catholic Church. Secretariatus ad Christianorum Unitatem Fovendam & United States Catholic Conference. (1967). Directory for the application of the decisions of the Second Ecumenical Council of the Vatican concerning ecumenical matters. United States Catholic Conference.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCatholic Church. Secretariatus ad Christianorum Unitatem Fovendam और United States Catholic Conference. Directory for the Application of the Decisions of the Second Ecumenical Council of the Vatican Concerning Ecumenical Matters. [Washington, D.C.]: United States Catholic Conference, 1967.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCatholic Church. Secretariatus ad Christianorum Unitatem Fovendam और United States Catholic Conference. Directory for the Application of the Decisions of the Second Ecumenical Council of the Vatican Concerning Ecumenical Matters. United States Catholic Conference, 1967.