Stewart, R. M. (1991). "De illis qui faciunt penitentiam": The rule of the secular franciscan order: origins, development, interpretation. Istituto Storico dei Cappuccini [u.a.].
Chicago-Zitierstil (17. Ausg.)Stewart, Robert M. "De Illis Qui Faciunt Penitentiam": The Rule of the Secular Franciscan Order: Origins, Development, Interpretation. Roma: Istituto Storico dei Cappuccini [u.a.], 1991.
MLA-Zitierstil (9. Ausg.)Stewart, Robert M. "De Illis Qui Faciunt Penitentiam": The Rule of the Secular Franciscan Order: Origins, Development, Interpretation. Istituto Storico dei Cappuccini [u.a.], 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.