Country Profile: Syria, April 2005(PDF). Library of Congress – Federal Research Division. p. 9-10 [2014-09-16]. (原始内容存档(PDF)于2015-04-01).请检查|date=中的日期值 (帮助)
Country Profile: Syria, April 2005(PDF). Library of Congress – Federal Research Division. p. 10 [2014-09-16]. (原始内容存档(PDF)于2015-04-01).请检查|date=中的日期值 (帮助)
Country Profile: Syria, April 2005(PDF). Library of Congress – Federal Research Division. p. 9-10 [2014-09-16]. (原始内容存档(PDF)于2015-04-01).请检查|date=中的日期值 (帮助)
Country Profile: Syria, April 2005(PDF). Library of Congress – Federal Research Division. p. 10 [2014-09-16]. (原始内容存档(PDF)于2015-04-01).请检查|date=中的日期值 (帮助)