Crystal, J. (2011). Oil and Politics in the Gulf: Rulers and Merchants in Kuwait and Qatar. Cambridge University Press. https://doi.org/10.1017/CBO9780511558818
Cita Chicago (17th ed.)Crystal, Jill. Oil and Politics in the Gulf: Rulers and Merchants in Kuwait and Qatar. Cambridge: Cambridge University Press, 2011. https://doi.org/10.1017/CBO9780511558818.
Cita MLA (9th ed.)Crystal, Jill. Oil and Politics in the Gulf: Rulers and Merchants in Kuwait and Qatar. Cambridge University Press, 2011. https://doi.org/10.1017/CBO9780511558818.
Atenció: Aquestes cites poden no estar 100% correctes.