United States Conference of Catholic Bishops (USCCB) Education Department. The American Catholic Research Center and University Archives.
Chicago Style aipamenaUnited States Conference of Catholic Bishops (USCCB) Education Department. The American Catholic Research Center and University Archives.
MLA aipamenaUnited States Conference of Catholic Bishops (USCCB) Education Department. The American Catholic Research Center and University Archives.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.