2013年6月4日. （原始内容存档于2014年6月6日）. Masuma Ahuja. A partial list of Syria’s suspected chemical weapons attacks this year. The Washington Post. 2013-08-21 [2013-08-27]

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role in Brussels bomb attacks. Guardian. 2016-03-26 [2016-03-26]. （原始内容存档于2016-03-26）. Belgium Hunts Jihadists That Struck Heart of a Fraying Europe. Bloomberg

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"Black Bloc" claims responsibility for attacks against Muslim Brotherhood. Memo: The Middle East Monitor. [Aug 26, 2013]. （原始内容存档于2013-09-27）. "Black

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GTD Search Results. www.start.umd.edu. [2020-03-24]. （原始内容存档于2016-03-04）. Pierre Tristam. Black September. About. [2014-12-16]. （原始内容存档于2017-02-06）.

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passengers on board into the heart of the city. （页面存档备份，存于互联网档案馆） We Have Some Planes. National Commission on Terrorist Attacks Upon the United States. July

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2013年叙利亚化学武器袭击事件