John XXIII, P. (1961). 1960 Christmas message: Address given on December 22, 1960. National Catholic Welfare Conference.
Chicago-referens (17:e uppl.)John XXIII, Pope. 1960 Christmas Message: Address Given on December 22, 1960. [Washington: National Catholic Welfare Conference, 1961.
MLA-referens (8:e uppl.)John XXIII, Pope. 1960 Christmas Message: Address Given on December 22, 1960. National Catholic Welfare Conference, 1961.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.