Catholic Church. United States Conference of Catholic Bishops & Catholic Church. United States Conference of Catholic Bishops. Committee on Catechesis. (2005). National directory for catechesis. United States Conference of Catholic Bishops.
Chicago (17e ed.) BronvermeldingCatholic Church. United States Conference of Catholic Bishops en Catholic Church. United States Conference of Catholic Bishops. Committee on Catechesis. National Directory for Catechesis. Washington, D.C.: United States Conference of Catholic Bishops, 2005.
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