Catholic Church. Pope (1878-1903 : Leo XIII) & Leo XIII, P. (1949). Anglican orders: Encyclical letter of Pope Leo XIII. Paulist Press.
Chicago-viite (17. p.)Catholic Church. Pope (1878-1903 : Leo XIII) ja Pope Leo XIII. Anglican Orders: Encyclical Letter of Pope Leo XIII. New York: Paulist Press, 1949.
MLA-viite (8. p.)Catholic Church. Pope (1878-1903 : Leo XIII) ja Pope Leo XIII. Anglican Orders: Encyclical Letter of Pope Leo XIII. Paulist Press, 1949.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.