John XXIII, P. (1962). 1961 Christmas message. National Catholic Welfare Conference.
Chicagoスタイル(17版)引用形式John XXIII, Pope. 1961 Christmas Message. Washington, D.C.: National Catholic Welfare Conference, 1962.
MLA(8版)引用形式John XXIII, Pope. 1961 Christmas Message. National Catholic Welfare Conference, 1962.
警告: この引用は必ずしも正確ではありません.