Catholic Church. Pope (1878-1903 : Leo XIII) & Leo XIII, P. (1952). Apostolic Letter (Apostolicae Curae) of His Holiness Leo XII by Divine Providence Pope on Anglican ordinations. Catholic Truth Society.
Chicago-referens (17:e uppl.)Catholic Church. Pope (1878-1903 : Leo XIII) och Pope Leo XIII. Apostolic Letter (Apostolicae Curae) of His Holiness Leo XII by Divine Providence Pope on Anglican Ordinations. London: Catholic Truth Society, 1952.
MLA-referens (8:e uppl.)Catholic Church. Pope (1878-1903 : Leo XIII) och Pope Leo XIII. Apostolic Letter (Apostolicae Curae) of His Holiness Leo XII by Divine Providence Pope on Anglican Ordinations. Catholic Truth Society, 1952.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.