Catholic Church. Secretariatus ad Christianorum Unitatem Fovendam. (1968). Notes on the application of the ecumenical directory. U.S. Catholic Conference.
Chicago Style aipamenaCatholic Church. Secretariatus ad Christianorum Unitatem Fovendam. Notes on the Application of the Ecumenical Directory. Washington: U.S. Catholic Conference, 1968.
MLA aipamenaCatholic Church. Secretariatus ad Christianorum Unitatem Fovendam. Notes on the Application of the Ecumenical Directory. U.S. Catholic Conference, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.