Pius XII, P. (1948). 1947 Christmas message of Pope Pius XII: Radio message to the world given December 24, 1947 .. National Catholic Welfare Conference.
Chicago-viite (17. p.)Pius XII, Pope. 1947 Christmas Message of Pope Pius XII: Radio Message to the World Given December 24, 1947 .. Washington: National Catholic Welfare Conference, 1948.
MLA-viite (8. p.)Pius XII, Pope. 1947 Christmas Message of Pope Pius XII: Radio Message to the World Given December 24, 1947 .. National Catholic Welfare Conference, 1948.
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