Harding, Anthony H. (2014). „The later prehistory of Central and Northern Europe”. Ур.: Renfrew, Colin; Bahn, Paul. The Cambridge World Prehistory (на језику: енглески). Cambridge University Press. стр. 192. ISBN978-1-107-64775-6. Приступљено 15. 9. 2021. „Italy was home to a number of languages in the Iron Age, some of them clearly Indo-European (Latin being the most obvious, although this was merely the language spoken in the Roman heartland, that is, Latium, and other languages such as Italic, Venetic or Ligurian were also present), while the centre-west and northwest were occupied by the people we call Etruscans, who spoke a language which was non-Indo-European and presumed to represent an ethnic and linguistic stratum which goes far back in time, perhaps even to the occupants of Italy prior to the spread of farming.”
