Westerfeld, S. (2005). Uglies (1st Simon Pulse edition.). Simon Pulse.
Lua i Stíl Chicago (17ú heag.)Westerfeld, Scott. Uglies. 1st Simon Pulse edition. New York: Simon Pulse, 2005.
Lua MLA (9ú heag.)Westerfeld, Scott. Uglies. 1st Simon Pulse edition. Simon Pulse, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.