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