Παραπομπή σε μορφή APA (7η εκδ.)

Parsons, T. (2010). The rule of empires: Those who built them, those who endured them, and why they always fall. Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (8th εκδ.)

Parsons, Timothy. The Rule of Empires: Those Who Built Them, Those Who Endured Them, and Why They Always Fall. Oxford University Press, 2010.