"Leadership for Syria". German-Foreign-Policy.com. German News Information Services GmbH. 18 December 2015. Archived from the original on 9 January 2017. Retrieved 12 February 2016.
"Leadership for Syria". German-Foreign-Policy.com. German News Information Services GmbH. 18 December 2015. Archived from the original on 9 January 2017. Retrieved 12 February 2016.