ebrary, Inc, Porter, A. N., & Louis, W. R. (1999). The Oxford history of the British Empire. Oxford University Press.
Chicago Style (17th ed.) Zitazioaebrary, Inc, A. N. Porter, eta William Roger Louis. The Oxford History of the British Empire. Oxford ; New York: Oxford University Press, 1999.
MLA (9th ed.) Zitazioaebrary, Inc, et al. The Oxford History of the British Empire. Oxford University Press, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.