Cassinello, J., Cuzin, F., Jdeidi, T., Masseti, M., Nader, I. & de Smet, K. (2008). Ammotragus lervia. In: IUCN 2008. IUCN Red List of Threatened Species. Downloaded on 11 November 2008. Database entry includes a brief justification of why this species is of Vulnerable C1.