Sirilla. The Ideal Bishop. The Catholic University of America Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSirilla. The Ideal Bishop. The Catholic University of America Press.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSirilla. The Ideal Bishop. The Catholic University of America Press.
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