John XXIII, P. (1963). Letter of his holiness Pope John XXIII: To the most reverend ordinaries and major superiors of the religious congregations of the Church in the United States (April 21, 1963) : an expression of appreciation for their cooperation in supplying personnel to the church in Latin America. National Catholic Welfare Conference.
Citação do estilo Chicago (17ª ed.)John XXIII, Pope. Letter of His Holiness Pope John XXIII: To the Most Reverend Ordinaries and Major Superiors of the Religious Congregations of the Church in the United States (April 21, 1963) : An Expression of Appreciation for Their Cooperation in Supplying Personnel to the Church in Latin America. Washington, D.C.: National Catholic Welfare Conference, 1963.
Citação MLA (8ª ed.)John XXIII, Pope. Letter of His Holiness Pope John XXIII: To the Most Reverend Ordinaries and Major Superiors of the Religious Congregations of the Church in the United States (April 21, 1963) : An Expression of Appreciation for Their Cooperation in Supplying Personnel to the Church in Latin America. National Catholic Welfare Conference, 1963.