Livio, M. (2018). Why?: What Makes us Curious. Simon & Schuster Paperbacks An Imprint of Simon & Schuster, Inc.
Lua i Stíl Chicago (17ú heag.)Livio, Mario. Why?: What Makes Us Curious. New York: Simon & Schuster Paperbacks An Imprint of Simon & Schuster, Inc, 2018.
Lua MLA (9ú heag.)Livio, Mario. Why?: What Makes Us Curious. Simon & Schuster Paperbacks An Imprint of Simon & Schuster, Inc, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.