Wilson, K., & Hillenbrand, W. (2007). Whopper cake. Margaret K. McElderry Books.
Lua i Stíl Chicago (17ú heag.)Wilson, Karma, agus Will Hillenbrand. Whopper Cake. New York: Margaret K. McElderry Books, 2007.
Lua MLA (8ú heag.)Wilson, Karma, agus Will Hillenbrand. Whopper Cake. Margaret K. McElderry Books, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.