John XXIII, P. (1961). 1960 Christmas message: Address given on December 22, 1960. National Catholic Welfare Conference.
Stile di citazione ChicagoJohn XXIII, Pope. 1960 Christmas Message: Address Given on December 22, 1960. [Washington: National Catholic Welfare Conference, 1961.
Citazione MLAJohn XXIII, Pope. 1960 Christmas Message: Address Given on December 22, 1960. National Catholic Welfare Conference, 1961.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.