John XXIII, P. (1962). Farming as vocation and mission: Addresses .. National Catholic Welfare Conference.
Lua i Stíl Chicago (17ú heag.)John XXIII, Pope. Farming as Vocation and Mission: Addresses .. Washington: National Catholic Welfare Conference, 1962.
Lua MLA (8ú heag.)John XXIII, Pope. Farming as Vocation and Mission: Addresses .. National Catholic Welfare Conference, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.