Cline, E. H., & Graham, M. W. (2011). Ancient empires: From Mesopotamia to the rise of Islam. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Cline, Eric H., agus Mark W. Graham. Ancient Empires: From Mesopotamia to the Rise of Islam. Cambridge: Cambridge University Press, 2011.
Lua MLA (9ú heag.)Cline, Eric H., agus Mark W. Graham. Ancient Empires: From Mesopotamia to the Rise of Islam. Cambridge University Press, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.