@book{the concise oxford dictionary of world religions_2005, ISBN={019861053X}, publisher={Oxford: Oxford University Press}, year={2005} }
 @book{bowker_1998, title={What Muslims believe}, ISBN={1851681698}, publisher={Oxford: Oneworld Publications}, author={Bowker, J.}, year={1998} }
 @book{bowker_1997, title={The Oxford dictionary of world religions}, ISBN={0192139657}, publisher={Oxford; New York: Oxford University Press}, author={Bowker, J.}, year={1997} }