Gertner, J. (2012). The Idea Factory. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Gertner, Jon. The Idea Factory. New York: Penguin Books, 2012.
Lua MLA (9ú heag.)Gertner, Jon. The Idea Factory. Penguin Books, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.