Rujukan Firenze

  1. ISTAT. "Monthly demographic balance January-November 2008". Dicapai 2009-04-27. 
  2. "CityProfiles". Urban Audit. Dicapai 5 Mei 2009. 
  3. Profs. Spencer Baynes, L.L.D., and W. Robertson Smith, L.L.D., Encyclopaedia Britannica. Akron, Ohio: The Werner Company, 1907: p.675