National Catholic News Service. The American Catholic Research Center and University Archives.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Catholic News Service. The American Catholic Research Center and University Archives.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNational Catholic News Service. The American Catholic Research Center and University Archives.
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