Begheyn, P., & Bogart, K. (1991). A bibliography on St. Ignatius's Spiritual exercises. Seminar on Jesuit Spirituality.
Chicago-viite (17. p.)Begheyn, Paul, ja Kenneth Bogart. A Bibliography on St. Ignatius's Spiritual Exercises. St. Louis, MO: Seminar on Jesuit Spirituality, 1991.
MLA-viite (8. p.)Begheyn, Paul, ja Kenneth Bogart. A Bibliography on St. Ignatius's Spiritual Exercises. Seminar on Jesuit Spirituality, 1991.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.