Formation : Abu Ameenah Bilal Philips
Source : http://www.islamhouse.com/p/1247
Formation : Abdul-Malik al-Qasim
Source : http://www.islamhouse.com/p/264093
Formation : Muhammad Jameel Zeeno
From issues : http://www.saaid.net - Saaid Al Fawaed Website
Source : http://www.islamhouse.com/p/162054
Formation : Muhammad Naasiruddeen al-Albaanee
Source : http://www.islamhouse.com/p/1273
From issues : Islamic Propagation Office in Rabwah
Source : http://www.islamhouse.com/p/1229
Formation : Muhammad ibn Saleh al-Othaimeen
Reveiwers : Muhammad AbdulRaoof
From issues : A website Islamic Library www.islamicbook.ws
Source : http://www.islamhouse.com/p/328722