Wickham, C. (2006). Framing the early Middle Ages: Europe and the Mediterranean, 400-800. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Wickham, Chris. Framing the Early Middle Ages: Europe and the Mediterranean, 400-800. Oxford: Oxford University Press, 2006.
Lua MLA (9ú heag.)Wickham, Chris. Framing the Early Middle Ages: Europe and the Mediterranean, 400-800. Oxford University Press, 2006.
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