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-referens (17:e uppl.)Catholic Church. United States Conference of Catholic Bishops och 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.
MLA-referens (8:e uppl.)Catholic Church. United States Conference of Catholic Bishops och Catholic Church. United States Conference of Catholic Bishops. Committee on Catechesis. National Directory for Catechesis. United States Conference of Catholic Bishops, 2005.