Catholic Church. Secretariatus ad Christianorum Unitatem Fovendam. (1968). Notes on the application of the ecumenical directory. U.S. Catholic Conference.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCatholic Church. Secretariatus ad Christianorum Unitatem Fovendam. Notes on the Application of the Ecumenical Directory. Washington: U.S. Catholic Conference, 1968.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCatholic Church. Secretariatus ad Christianorum Unitatem Fovendam. Notes on the Application of the Ecumenical Directory. U.S. Catholic Conference, 1968.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.