Roberson, Ronald G. The Coptic Catholic Church. Eastern Catholic Churches. Catholic Near East Welfare Association. Pristupljeno 28. svibnja 2015.
Roberson, Ronald G. The Eastern Catholic Churches 2010(PDF). Eastern Catholic Churches Statistics. Catholic Near East Welfare Association. Inačica izvorne stranice(PDF) arhivirana 23. rujna 2015. Pristupljeno 28. svibnja 2015.
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Roberson, Ronald G. The Eastern Catholic Churches 2010(PDF). Eastern Catholic Churches Statistics. Catholic Near East Welfare Association. Inačica izvorne stranice(PDF) arhivirana 23. rujna 2015. Pristupljeno 28. svibnja 2015.