Roggen, H. (1970). Spirit and life: The Gospel way of life in the writings of St. Francis and St. Clare. Franciscan Herald Press.
Lua i Stíl Chicago (17ú heag.)Roggen, Heribert. Spirit and Life: The Gospel Way of Life in the Writings of St. Francis and St. Clare. Chicago, Ill.: Franciscan Herald Press, 1970.
Lua MLA (8ú heag.)Roggen, Heribert. Spirit and Life: The Gospel Way of Life in the Writings of St. Francis and St. Clare. Franciscan Herald Press, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.