Vettori, A. (2004). Poets of divine love: Franciscan mystical poetry of the thirteenth century. Fordham University Press.
Lua i Stíl Chicago (17ú heag.)Vettori, Alessandro. Poets of Divine Love: Franciscan Mystical Poetry of the Thirteenth Century. New York: Fordham University Press, 2004.
Lua MLA (9ú heag.)Vettori, Alessandro. Poets of Divine Love: Franciscan Mystical Poetry of the Thirteenth Century. Fordham University Press, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.