Harari, Y. N. (2014). Sapiens. Vintage Books.
Lua i Stíl Chicago (17ú heag.)Harari, Yuval Noah. Sapiens. London: Vintage Books, 2014.
Lua MLA (9ú heag.)Harari, Yuval Noah. Sapiens. Vintage Books, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.