^Introduced in the late 18th century and then spread as a result of a language shift; Italian is usually spoken either in the standard variety with a Sardinian accent or more commonly in a regional variety.
^Including Sassarese and Gallurese, linguistically transitioning to Southern Corsican and often colloquially considered to be northern Sardinian varieties.
^Cite error: The named reference Kubly was invoked but never defined (see the help page).
^Cite error: The named reference Minahan was invoked but never defined (see the help page).
^«Sardi: indigeni, qui in Sardinia nati sunt.» ("Sardinians: the indigenous people who are born on the island of Sardinia.") Robert Estienne, 1583, Dictionarium, seu Latinae linguae Thesaurus, Robert Estienne, Q-Z, v.III
^«From the strictly anthropological point of view, namely, an ethnic group distinguished by language, characteristics and culture.» Ethnic culture, language and poetry in Sardinia, part one. Scripta Mediterranea. Bulletin of the Society for Mediterranean Studies. 1980. p. 46.
^«Sardinians form an ethnic minority since they show a strong awareness of being an indigenous group with a language and culture of their own.» Kurt Braunmüller, Gisella Ferraresi (2003). Aspects of multilingualism in European language history. Amsterdam/Philadelphia: University of Hamburg. John Benjamins Publishing Company. p. 238.
^Danver, Steven L. Native Peoples of the World: An Encyclopedia of Groups, Cultures and Contemporary Issues, 2012, pp.370-371