Leo XIII, P. C. C. P. (1903). Poems, Charades, Inscriptions of Pope Leo XIII including the Revised Compositions of His Early Life in Chronological Order. Philadelphia.
Chicago-viite (17. p.)Leo XIII, Pope; Catholic Church. Pope. Poems, Charades, Inscriptions of Pope Leo XIII Including the Revised Compositions of His Early Life in Chronological Order. Philadelphia, 1903.
MLA-viite (8. p.)Leo XIII, Pope; Catholic Church. Pope. Poems, Charades, Inscriptions of Pope Leo XIII Including the Revised Compositions of His Early Life in Chronological Order. Philadelphia, 1903.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.