Catholic Church. United States Conference of Catholic Bishops. Bishops' Committee on the Liturgy & Catholic Church. United States Conference of Catholic Bishops. (2003). Introduction to the order of Mass: A pastoral resource of the Bishops' Committee on the Liturgy. United States Conference of Catholic Bishops.

Catholic Church. United States Conference of Catholic Bishops. Bishops' Committee on the Liturgy and Catholic Church. United States Conference of Catholic Bishops. Introduction to the Order of Mass: A Pastoral Resource of the Bishops' Committee on the Liturgy. Washington, D.C.: United States Conference of Catholic Bishops, 2003.

Catholic Church. United States Conference of Catholic Bishops. Bishops' Committee on the Liturgy and Catholic Church. United States Conference of Catholic Bishops. Introduction to the Order of Mass: A Pastoral Resource of the Bishops' Committee on the Liturgy. United States Conference of Catholic Bishops, 2003.