Tattersall, I. (2006). The world from beginnings to 4000 BCE. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Tattersall, Ian. The World from Beginnings to 4000 BCE. Oxford ; New York: Oxford University Press, 2006.
Lua MLA (9ú heag.)Tattersall, Ian. The World from Beginnings to 4000 BCE. Oxford University Press, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.