Holliday, Joseph (March 2012), Syria's Armed Opposition(PDF), Middle East Security Report 3, Institute for the Study of War, p. 25, archived from the original(PDF) on 12 May 2012, retrieved 9 July 2012
web.archive.org
Holliday, Joseph (March 2012), Syria's Armed Opposition(PDF), Middle East Security Report 3, Institute for the Study of War, p. 25, archived from the original(PDF) on 12 May 2012, retrieved 9 July 2012