Cingolani, G. (1997). Gabriel of Our Lady of Sorrows: Life and prayers. Alba House.
Lua i Stíl Chicago (17ú heag.)Cingolani, Gabriele. Gabriel of Our Lady of Sorrows: Life and Prayers. New York: Alba House, 1997.
Lua MLA (8ú heag.)Cingolani, Gabriele. Gabriel of Our Lady of Sorrows: Life and Prayers. Alba House, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.