Collelo 1988, pp. 258−259. Collelo, Thomas, ed. (1988). Syria: a country study (3rd ed.). Washington, D.C.: Federal Research Division, Library of Congress : For sale by the Supt. of Docs., U.S. G.P.O., 1988.
Collelo 1988, p. 292. Collelo, Thomas, ed. (1988). Syria: a country study (3rd ed.). Washington, D.C.: Federal Research Division, Library of Congress : For sale by the Supt. of Docs., U.S. G.P.O., 1988.