Serge Cleuziou (1996). "The emergence of oasis towns in eastern and southern Arabia". في G. Afanas'ev؛ S. Cleuziou؛ R. Lukacs؛ M. Tosi (المحررون). The prehistory of Asia and Oceania, Forlí: Colloquia of the XIII International congress of prehistoric and protohistoric sciences. ABACO Edizioni, Forlì. ج. 16. ص. 157. ISBN:978-88-86-71206-4.