Census 2008 (Report). Israel Central Bureau of Statistics. 2008. http://www.cbs.gov.il/www/mifkad/mifkad_2008/profiles/rep_e_000000.pdf. Retrieved ૨૭ ડિસેમ્બર
ZDNet (અંગ્રેજીમાં). CBS Interactive. Dawson, Christopher (17 May 2009). "Wolfram Alpha: Wikipedia killer?". ZDNet (અંગ્રેજીમાં). CBS Interactive. Techcrunch