Catholic Church. Pope (1878-1903 : Leo XIII) & Leo XIII, P. (1949). Anglican orders: Encyclical letter of Pope Leo XIII. Paulist Press.
Čikaški stil citiranja (17. izdanje)Catholic Church. Pope (1878-1903 : Leo XIII) i Pope Leo XIII. Anglican Orders: Encyclical Letter of Pope Leo XIII. New York: Paulist Press, 1949.
MLA način citiranja (8. izdanje)Catholic Church. Pope (1878-1903 : Leo XIII) i Pope Leo XIII. Anglican Orders: Encyclical Letter of Pope Leo XIII. Paulist Press, 1949.
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