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.
Παραπομπή σε μορφή Chicago (17η εκδ.)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.
Παραπομπή σε μορφή MLA (8th εκδ.)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.