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