Formation : M. Emery
From issues : Islamic Propagation Office in Rabwah
Source : http://www.islamhouse.com/p/75468
Formation : Abu Ameenah Bilal Philips
Source : http://www.islamhouse.com/p/1247
Formation : Imam Ahmed ibn Hanbal
Source : http://www.islamhouse.com/p/51792
Formation : A. Akram
Source : http://www.islamhouse.com/p/61193
Formation : Ibrahim Bin Saleh Al-Humood
Reveiwers : Muhammad AbdulRaoof
Source : http://www.islamhouse.com/p/328748