"Naxxar Entrenchment"(PDF). National Inventory of the Cultural Property of the Maltese Islands. 28 June 2013. Archived from the original(PDF) on August 10, 2016. Retrieved 13 September 2015.
"Naxxar Entrenchment"(PDF). National Inventory of the Cultural Property of the Maltese Islands. 28 June 2013. Archived from the original(PDF) on August 10, 2016. Retrieved 13 September 2015.