Olivi, P. J., & Karris, R. J. (2012). Spiritual warfare and six other spiritual writings. Franciscan Institute Publications.
Lua i Stíl Chicago (17ú heag.)Olivi, Pierre Jean, agus Robert J. Karris. Spiritual Warfare and Six Other Spiritual Writings. St. Bonaventure, New York: Franciscan Institute Publications, 2012.
Lua MLA (9ú heag.)Olivi, Pierre Jean, agus Robert J. Karris. Spiritual Warfare and Six Other Spiritual Writings. Franciscan Institute Publications, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.