While it is an Arabic word and has historically been used by Muslims and non-Muslims alike in the Arab world, the usage of "Allah" by non-Muslims has been controversial in non-Arab parts of the Muslim world, especially Malaysia, where it became illegal for non-Muslims to use "Allah" after the country experienced a social and political upheaval in the face of the word being used by Malaysian Christians and Sikhs.[16][17][18][19]
^"God". Islam: Empire of Faith. PBS. Archived from the original on 27 March 2014. Retrieved 18 December 2010.
^"Islam and Christianity", Encyclopedia of Christianity (2001): Arabic-speaking Christians and Jews also refer to God as Allāh.
^Gardet, L. "Allah". In Bearman, P.; Bianquis, Th.; Bosworth, C.E.; van Donzel, E.; Heinrichs, W.P. (eds.). Encyclopaedia of Islam Online. Brill Online. Retrieved 2 May 2007.
^Merriam-Webster. "Allah". Merriam-Webster. Archived from the original on 20 April 2014. Retrieved 25 February 2012.
^Anthony S. Mercatante & James R. Dow (2004). "Allah". The Facts on File Encyclopedia of World Mythology and Legend. Facts on File. p. 53. ISBN978-1-4381-2685-2.