APA (7e ed.) Bronvermelding

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.

Chicago (17e ed.) Bronvermelding

Catholic Church. Secretariatus ad Christianorum Unitatem Fovendam en 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.

MLA (8e ed.) Bronvermelding

Catholic Church. Secretariatus ad Christianorum Unitatem Fovendam en 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.