John XXIII, P. (1962). Farming as vocation and mission: Addresses .. National Catholic Welfare Conference.
Chicago (17e ed.) BronvermeldingJohn XXIII, Pope. Farming as Vocation and Mission: Addresses .. Washington: National Catholic Welfare Conference, 1962.
MLA (8e ed.) BronvermeldingJohn XXIII, Pope. Farming as Vocation and Mission: Addresses .. National Catholic Welfare Conference, 1962.
Let op: Deze citaties zijn niet altijd 100% accuraat.