John XXIII, P. (1961). St. Joseph = the worker: Pope John's message to workers May 1, 1960. National Catholic Welfare Conference.
Chicago-Zitierstil (17. Ausg.)John XXIII, Pope. St. Joseph = the Worker: Pope John's Message to Workers May 1, 1960. Washington: National Catholic Welfare Conference, 1961.
MLA-Zitierstil (8. Ausg.)John XXIII, Pope. St. Joseph = the Worker: Pope John's Message to Workers May 1, 1960. National Catholic Welfare Conference, 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.