APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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.