Kosto, A. J. (2001). Making agreements in medieval Catalonia: Power, order, and the written word, 1000-1200. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Kosto, Adam J. Making Agreements in Medieval Catalonia: Power, Order, and the Written Word, 1000-1200. Cambridge, UK ; New York: Cambridge University Press, 2001.
Lua MLA (9ú heag.)Kosto, Adam J. Making Agreements in Medieval Catalonia: Power, Order, and the Written Word, 1000-1200. Cambridge University Press, 2001.
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