René-Bazin, M. (1958). A witness of the Invisible: Blessed Mother Mary of Providence foundress of the Helpers of the Holy Souls. Catholic Truth Society.
Chicago-Zitierstil (17. Ausg.)René-Bazin, Marie. A Witness of the Invisible: Blessed Mother Mary of Providence Foundress of the Helpers of the Holy Souls. London: Catholic Truth Society, 1958.
MLA-Zitierstil (8. Ausg.)René-Bazin, Marie. A Witness of the Invisible: Blessed Mother Mary of Providence Foundress of the Helpers of the Holy Souls. Catholic Truth Society, 1958.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.