Ignatius, o. L., & Ganss, G. E. (1991). Ignatius of Loyola: The Spiritual exercises and selected works. Paulist Press.
Lua i Stíl Chicago (17ú heag.)Ignatius, of Loyola, agus George E. Ganss. Ignatius of Loyola: The Spiritual Exercises and Selected Works. New York: Paulist Press, 1991.
Lua MLA (8ú heag.)Ignatius, of Loyola, agus George E. Ganss. Ignatius of Loyola: The Spiritual Exercises and Selected Works. Paulist Press, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.