Easterly, William (2006). The White Man's Burden. New York: Penguin. s. 238. ISBN978-1-1012-1812-9. «A small sign of the artificiality of the Arab revolt is that Mark Sykes himself designed the flag of the Arabs as a combination of green, red, black, and white. Variations on this design are today the official flags of Jordan, Iraq, Syria, and the Palestinians.»
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Sorek, Tamir (2004). «The orange and the 'Cross in the Crescent': imagining Palestine in 1929». Nations and Nationalism10 (3): 269–291. doi:10.1111/j.1354-5078.2004.00167.x.