Henry, Roger (2003) Synchronized chronology: Rethinking Middle East Antiquity: A Simple Correction to Egyptian Chronology Resolves the Major Problems in Biblical and Greek Archaeology Algora Publishing, Nova York, páx. 138, ISBN0-87586-191-1
E. J. Brill's first encyclopaedia of Islam, 1913–1936, vol. 7, page 1037 citando Estrabón e Ptolomeo.
britannica.com
"Britanica". Britannica.com. Consultado o 4 de setembro de 2011.