Formation : Abu Ameenah Bilal Philips
Source : http://www.islamhouse.com/p/291542
Formation : Sheikh-ul-Islam ibn Taymiyyah
Source : http://www.islamhouse.com/p/93497
Formation : Ahmed Deedat
Source : http://www.islamhouse.com/p/89151
Formation : Zakir Naik
Source : http://www.islamhouse.com/p/51900
Formation : Abdullah Bin Hadi Al-Qahtani
Reveiwers : Muhammad AbdulRaoof
From issues : Islamic call and guidance centre in Abha: www.taweni.com
Source : http://www.islamhouse.com/p/379002