United States Conference of Catholic Bishops (USCCB) Education Department. The American Catholic Research Center and University Archives.
Παραπομπή σε μορφή Chicago (17η εκδ.)United States Conference of Catholic Bishops (USCCB) Education Department. The American Catholic Research Center and University Archives.
Παραπομπή σε μορφή MLA (8th εκδ.)United States Conference of Catholic Bishops (USCCB) Education Department. The American Catholic Research Center and University Archives.
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