Norman Don. (2010). Design of Everyday Things. Basic Books.
Lua i Stíl Chicago (17ú heag.)Norman Don. Design of Everyday Things. New York: Basic Books, 2010.
Lua MLA (9ú heag.)Norman Don. Design of Everyday Things. Basic Books, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.