Source : http://www.islamhouse.com/p/318737
Formation : Abu Ameenah Bilal Philips
Source : http://www.islamhouse.com/p/57997
Formation : Muhammad Salih Al-Munajjid
From issues : http://www.islamqa.com - Islam : Question & Answer Website
Source : http://www.islamhouse.com/p/1347
Source : http://www.islamhouse.com/p/246898
Formation : Sefr Bin Abdul Rahman Al-Hawali
Reveiwers : Muhammad AbdulRaoof
Source : http://www.islamhouse.com/p/341092