Primary Sources:

United Media Office of Homs — About the Issue of Jabhat al-Nusrah

Secondary Source:

Major salafi faction criticizes Jabhat al-Nosra by Aron Lund
Primary Sources:

United Media Office of Homs — About the Issue of Jabhat al-Nusrah

Secondary Source:

Major salafi faction criticizes Jabhat al-Nosra by Aron Lund