Arengo, S. (2005). Thumbelina. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Arengo, Sue. Thumbelina. Oxford: Oxford University Press, 2005.
Lua MLA (8ú heag.)Arengo, Sue. Thumbelina. Oxford University Press, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.