Cingolani, G. (1997). Gabriel of Our Lady of Sorrows: Life and prayers. Alba House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCingolani, Gabriele. Gabriel of Our Lady of Sorrows: Life and Prayers. New York: Alba House, 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCingolani, Gabriele. Gabriel of Our Lady of Sorrows: Life and Prayers. Alba House, 1997.
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