John XXIII, P. (1961). 1960 Christmas message: Address given on December 22, 1960. National Catholic Welfare Conference.
Style de citation Chicago (17e éd.)John XXIII, Pope. 1960 Christmas Message: Address Given on December 22, 1960. [Washington: National Catholic Welfare Conference, 1961.
Style de citation MLA (8e éd.)John XXIII, Pope. 1960 Christmas Message: Address Given on December 22, 1960. National Catholic Welfare Conference, 1961.
Attention : ces citations peuvent ne pas être correctes à 100%.