Joseph F. O'Callaghan, A History of Medieval Spain (Ithaca and London: Cornell University Press, 1983), 24. ISBN 0-8014-9264-5. PreviewArxivləşdirilib 2022-05-25 at the Wayback Machine of cited page available on Google Books as of 10 March 2011. See also: Richard Fletcher, "The Early Middle Ages, 700–1250," in Spain: A History, ed. Raymond Carr (New York: Oxford University Press, 2000). ISBN 0-19-280236-4.
Joseph F. O'Callaghan, A History of Medieval Spain (Ithaca and London: Cornell University Press, 1983), 24. ISBN 0-8014-9264-5. PreviewArxivləşdirilib 2022-05-25 at the Wayback Machine of cited page available on Google Books as of 10 March 2011. See also: Richard Fletcher, "The Early Middle Ages, 700–1250," in Spain: A History, ed. Raymond Carr (New York: Oxford University Press, 2000). ISBN 0-19-280236-4.
