Brann, H. A. (1892). The schism of the West and the freedom of papal elections. New York.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrann, Henry A. The Schism of the West and the Freedom of Papal Elections. New York, 1892.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBrann, Henry A. The Schism of the West and the Freedom of Papal Elections. New York, 1892.
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