User:Infoman 2016-17 Group 1/sandbox/References

^ Arzarello, M., Marcolini (2007). "Evidence of earliest human occurrence in Europe: the site of Pirro Nord (Southern Italy)". Journal of Human Evolution (94): 107-112. {{cite journal}}: |access-date= requires |url= (help)CS1 maint: multiple names: authors list (link)
^ "Prehistoric Europe". In Wikipedia, The Free Encyclopedia. Retrieved May 2, 2017.
^ Arsuaga, J. L.; Martínez, I.; Antón, M. (2009). The chosen species: the long march of human evolution. Translated by Becker, Paul. John Wiley & Sons. p. 443. ISBN 3598251793.