(1928). Retreats International Records. University of Notre Dame Archives.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRetreats International Records. University of Notre Dame Archives, 1928.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRetreats International Records. University of Notre Dame Archives, 1928.
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