Catholic Church. United States Conference of Catholic Bishops. Committee on Catechesis & Catholic Church. United States Conference of Catholic Bishops. (2005). Summary of the National directory for catechesis. United States Conference of Catholic Bishops.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিCatholic Church. United States Conference of Catholic Bishops. Committee on Catechesis এবং Catholic Church. United States Conference of Catholic Bishops. Summary of the National Directory for Catechesis. Washington, D.C.: United States Conference of Catholic Bishops, 2005.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিCatholic Church. United States Conference of Catholic Bishops. Committee on Catechesis এবং Catholic Church. United States Conference of Catholic Bishops. Summary of the National Directory for Catechesis. United States Conference of Catholic Bishops, 2005.