O'Brien, I. (1943). The Third Order of Saint Francis: Instrument of peace. National Secretary of the Third Order.
Style de citation Chicago (17e éd.)O'Brien, Isidore. The Third Order of Saint Francis: Instrument of Peace. St. Louis, Mo.: National Secretary of the Third Order, 1943.
Style de citation MLA (8e éd.)O'Brien, Isidore. The Third Order of Saint Francis: Instrument of Peace. National Secretary of the Third Order, 1943.
Attention : ces citations peuvent ne pas être correctes à 100%.