"Il Buttero" (به ایتالیایی). Associazione Butteri d'Alta Maremma. Archived from the original on 8 March 2007. Retrieved July 2011. {{cite web}}: Check date values in: |accessdate= (help)
"Il Buttero" (به ایتالیایی). Associazione Butteri d'Alta Maremma. Archived from the original on 8 March 2007. Retrieved July 2011. {{cite web}}: Check date values in: |accessdate= (help)