Iannaccone, L. R., & Berman, E. Religious extremism: The good, the bad, and the deadly / Laurence R. Iannaccone. Eli Berman. Defining Secularization : The Secular in Historical and Comparative Perspective.(2010).

Iannaccone, Laurence R., and Eli Berman. "Religious Extremism: The Good, the Bad, and the Deadly / Laurence R. Iannaccone. Eli Berman." Defining Secularization : The Secular in Historical and Comparative Perspective.(2010) .

Iannaccone, Laurence R., and Eli Berman. "Religious Extremism: The Good, the Bad, and the Deadly / Laurence R. Iannaccone. Eli Berman." Defining Secularization : The Secular in Historical and Comparative Perspective.(2010), .