United States Catholic Conference. Department of Education. (1980). An introduction to Sharing the light of faith: National catechetical directory for Catholics of the United States. United States Catholic Conference, Dept. of Education.
Chicago-viite (17. p.)United States Catholic Conference. Department of Education. An Introduction to Sharing the Light of Faith: National Catechetical Directory for Catholics of the United States. Washington (D.C.): United States Catholic Conference, Dept. of Education, 1980.
MLA-viite (8. p.)United States Catholic Conference. Department of Education. An Introduction to Sharing the Light of Faith: National Catechetical Directory for Catholics of the United States. United States Catholic Conference, Dept. of Education, 1980.