Gunthildis, S. M. (1954). Novena in honor of Mary, mother thrice admirable and queen of Schoenstatt. The Schoenstatt Sisters of Mary, New-Schoenstatt.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGunthildis, Sister M. Novena in Honor of Mary, Mother Thrice Admirable and Queen of Schoenstatt. Madison, WS: The Schoenstatt Sisters of Mary, New-Schoenstatt, 1954.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGunthildis, Sister M. Novena in Honor of Mary, Mother Thrice Admirable and Queen of Schoenstatt. The Schoenstatt Sisters of Mary, New-Schoenstatt, 1954.
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