Esposito, J. L., & Mogahed, D. (2007). Who speaks for Islam?: What a billion Muslims really think. Gallup Press.

Esposito, John L., and Dalia Mogahed. Who Speaks for Islam?: What a Billion Muslims Really Think. New York, NY: Gallup Press, 2007.

Esposito, John L., and Dalia Mogahed. Who Speaks for Islam?: What a Billion Muslims Really Think. Gallup Press, 2007.