Formation : Naji Ibrahim al-Arfaj
Source : http://www.islamhouse.com/p/60614
Formation : Dr. Saleh As-Saleh
Source : http://www.islamhouse.com/p/61476
Formation : Ibn Rajab Al-Hanbali
Reveiwers : Muhammad AbdulRaoof
Source : http://www.islamhouse.com/p/339173
Formation : Ahmed Deedat
Source : http://www.islamhouse.com/p/273068
From issues : http://www.rasoulallah.net - Website of Rasoulullah (peace be upon him)
Source : http://www.islamhouse.com/p/329737