Paul, C. K. (1952). They served Mary: The Seven Holy Founders of the Servite Order. Catholic Truth Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPaul, Charles Kegan. They Served Mary: The Seven Holy Founders of the Servite Order. London: Catholic Truth Society, 1952.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPaul, Charles Kegan. They Served Mary: The Seven Holy Founders of the Servite Order. Catholic Truth Society, 1952.
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