Krumpelmann, C. (1944). In this sign thou shalt conquer: An appreciation of the work of Mother d'Youville and her daughters, the Grey Nuns .. St. Peter's Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKrumpelmann, Cosmas. In This Sign Thou Shalt Conquer: An Appreciation of the Work of Mother D'Youville and Her Daughters, the Grey Nuns .. Muenster, Sask.: St. Peter's Press, 1944.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKrumpelmann, Cosmas. In This Sign Thou Shalt Conquer: An Appreciation of the Work of Mother D'Youville and Her Daughters, the Grey Nuns .. St. Peter's Press, 1944.
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