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Çevre Ve Orman Bakanliği. The Birecik Bald Ibis Breeding and Repopulation Program. Turka Ministerio de Medio kaj Natura Konservado. Arkivita el la originalo je 2008-06-22. Alirita 2012-07-20.
Arkivita kopio. Arkivita el la originalo je 2008-06-22. Alirita 2012-07-20. Konsultita la 13an de novembro 2008
(araba kaj angla) Hulme, Diana; Tabbaa, Darem; Bright, Alastair Beaky the Bald IbisArkivigite je 2009-03-26 per la retarkivo Wayback Machine (PDF) Syrian Arab Republic Ministry of Education and Al Baath University Faculty of Veterinary Medicine Animal Protection Project. (angla versio duonvoje ĉe la dokumento)
Çevre Ve Orman Bakanliği. The Birecik Bald Ibis Breeding and Repopulation Program. Turka Ministerio de Medio kaj Natura Konservado. Arkivita el la originalo je 2008-06-22. Alirita 2012-07-20.
Arkivita kopio. Arkivita el la originalo je 2008-06-22. Alirita 2012-07-20. Konsultita la 13an de novembro 2008
(araba kaj angla) Hulme, Diana; Tabbaa, Darem; Bright, Alastair Beaky the Bald IbisArkivigite je 2009-03-26 per la retarkivo Wayback Machine (PDF) Syrian Arab Republic Ministry of Education and Al Baath University Faculty of Veterinary Medicine Animal Protection Project. (angla versio duonvoje ĉe la dokumento)