Onley, J. (2007). The Arabian frontier of the British Raj: Merchants, rulers, and the British in the nineteenth-century Gulf. Oxford University Press.
Chicago-viite (17. p.)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-viite (9. p.)Onley, James. The Arabian Frontier of the British Raj: Merchants, Rulers, and the British in the Nineteenth-century Gulf. Oxford University Press, 2007.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.