↑ Until 2002, the Portuguese escudo was used in financial transactions, and until 1910 the Portuguese real was the currency used by the monarchy of Portugal.
↑ INE, ed. (2010), Censos 2011 - Resultadas Preliminares (in Portuguese), Lisbon, Portugal: Instituto Nacional de Estatística, สืบค้นเมื่อ 1 January 2012 Unknown parameter |trans_title= ignored (help)CS1 maint: unrecognized language (link)
↑ IGP, ed. (2010), Carta Administrativa Oficial de Portugal (in Portuguese), Lisbon, Portugal: Instituto Geográfico Português, สืบค้นเมื่อ 1 January 2012CS1 maint: unrecognized language (link)
