APA-referens (7:e uppl.)

Onley, J. (2007). The Arabian frontier of the British Raj: Merchants, rulers, and the British in the nineteenth-century Gulf. Oxford University Press.

Chicago-referens (17:e uppl.)

Onley, James. The Arabian Frontier of the British Raj: Merchants, Rulers, and the British in the Nineteenth-century Gulf. New York: Oxford University Press, 2007.

MLA-referens (9:e uppl.)

Onley, James. The Arabian Frontier of the British Raj: Merchants, Rulers, and the British in the Nineteenth-century Gulf. Oxford University Press, 2007.