Norris, H.T. (1961). «The Early Islamic Settlement in Gibraltar». Journal of the Royal Anthropological Institute of Great Britain and Ireland91: 39–51. doi:10.2307/2844467. ISSN0307-3114.
«Corrected transcript of evidence taken before the Foreign Affairs Select Committee». 28 Μαρτίου 2008. Answer to Question 257 by Jim Murphy: [T]he UK Government will never – "never" is a seldom-used word in politics – enter into an agreement on sovereignty without the agreement of the Government of Gibraltar and their people. In fact, we will never even enter into a process without that agreement.«Archived copy». Αρχειοθετήθηκε από το πρωτότυπο στις 3 Μαρτίου 2016. Ανακτήθηκε στις 30 Ιουλίου 2008.
«World Population Prospects 2024»(XLSX) (στα Αγγλικά). United Nations Department of Economic and Social Affairs. 27 Ιουλίου 2024. Ανακτήθηκε στις 22 Οκτωβρίου 2025.
«Corrected transcript of evidence taken before the Foreign Affairs Select Committee». 28 Μαρτίου 2008. Answer to Question 257 by Jim Murphy: [T]he UK Government will never – "never" is a seldom-used word in politics – enter into an agreement on sovereignty without the agreement of the Government of Gibraltar and their people. In fact, we will never even enter into a process without that agreement.«Archived copy». Αρχειοθετήθηκε από το πρωτότυπο στις 3 Μαρτίου 2016. Ανακτήθηκε στις 30 Ιουλίου 2008.
Norris, H.T. (1961). «The Early Islamic Settlement in Gibraltar». Journal of the Royal Anthropological Institute of Great Britain and Ireland91: 39–51. doi:10.2307/2844467. ISSN0307-3114.