Parsons, T. (2010). The rule of empires: Those who built them, those who endured them, and why they always fall. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Parsons, Timothy. The Rule of Empires: Those Who Built Them, Those Who Endured Them, and Why They Always Fall. Oxford ; New York: Oxford University Press, 2010.
Lua MLA (8ú heag.)Parsons, Timothy. The Rule of Empires: Those Who Built Them, Those Who Endured Them, and Why They Always Fall. Oxford University Press, 2010.
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