Krulik, N. (2003). Hilary Duff: A not-so-typical teen. Simon Spotlight.
Lua i Stíl Chicago (17ú heag.)Krulik, Nancy. Hilary Duff: A Not-so-typical Teen. New York: Simon Spotlight, 2003.
Lua MLA (9ú heag.)Krulik, Nancy. Hilary Duff: A Not-so-typical Teen. Simon Spotlight, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.