توثيق مقولة جيبون،
Edward Gibbon, The History of the Decline and Fall of the Roman Empire, (New York: Fred defau & company publisher, 1907), vol. 3, p. 94.
Edward Gibbon, The History of the Decline and Fall of the Roman Empire, (New York: Fred defau & company publisher, 1907), vol. 3, p. 94.
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