Howell, G. (2007). Gertrude Bell: Queen of the desert, shaper of nations (1st American ed.). Farrar, Straus and Giroux.
Chicago Style (17. basım) AtıfHowell, Georgina. Gertrude Bell: Queen of the Desert, Shaper of Nations. 1st American ed. New York: Farrar, Straus and Giroux, 2007.
MLA (9th ed.) AtıfHowell, Georgina. Gertrude Bell: Queen of the Desert, Shaper of Nations. 1st American ed. Farrar, Straus and Giroux, 2007.
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