Vann, G. (1998). At the foot of the cross: The seven lessons of Mary for the sorrowing heart. Sophia Institute Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVann, Gerald. At the Foot of the Cross: The Seven Lessons of Mary for the Sorrowing Heart. Manchester, N.H.: Sophia Institute Press, 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रVann, Gerald. At the Foot of the Cross: The Seven Lessons of Mary for the Sorrowing Heart. Sophia Institute Press, 1998.
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