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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLeo 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLeo 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.
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