Catholic Church. United States Conference of Catholic Bishops & Catholic Church. United States Conference of Catholic Bishops. Committee on Catechesis. (2005). Leader's guide to the 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. Leader's Guide to the National Directory for Catechesis. Washington D.C.: United States Conference of Catholic Bishops, 2005.
MLA (8e ed.) BronvermeldingCatholic Church. United States Conference of Catholic Bishops en Catholic Church. United States Conference of Catholic Bishops. Committee on Catechesis. Leader's Guide to the National Directory for Catechesis. United States Conference of Catholic Bishops, 2005.