Gregoris, N. L. (2001). Mary's cooperation in the oeconomia salutis according to the theology and spirituality of the venerable John Henry Cardinal Newman: A perspective from which to view the contemporary discussion regarding the Marian titles of Co-redemptrix, Mediatrix and Advocate. Pontificia Facultate theologica "Marianum".
Chicago-referens (17:e uppl.)Gregoris, Nicholas L. Mary's Cooperation in the Oeconomia Salutis According to the Theology and Spirituality of the Venerable John Henry Cardinal Newman: A Perspective from Which to View the Contemporary Discussion Regarding the Marian Titles of Co-redemptrix, Mediatrix and Advocate. Roma: Pontificia Facultate theologica "Marianum", 2001.
MLA-referens (8:e uppl.)Gregoris, Nicholas L. Mary's Cooperation in the Oeconomia Salutis According to the Theology and Spirituality of the Venerable John Henry Cardinal Newman: A Perspective from Which to View the Contemporary Discussion Regarding the Marian Titles of Co-redemptrix, Mediatrix and Advocate. Pontificia Facultate theologica "Marianum", 2001.