Rujukan Caracalla

  1. ↑ "Caracalla" The New Zealand Oxford Dictionary. Tony Deverson. Oxford University Press 2004. Oxford Reference Online. Oxford University Press.
  2. ↑ "Caracalla" A Dictionary of British History. Ed. John Cannon. Oxford University Press, 2001. Oxford Reference Online. Oxford University Press.
  3. ↑ "Caracalla" World Encyclopedia. Philip's, 2005. Oxford Reference Online. Oxford University Press.
  4. 1 2 Gibbon, Edward, The Decline and Fall of the Roman Empire, Chapter VI.
  5. ↑ Geoffrey of Monmouth, Historia Regum Britanniae 5.2-3
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