Arnold, T. (2007). The twin princes. Dial Books for Young Readers.
Lua i Stíl Chicago (17ú heag.)Arnold, Tedd. The Twin Princes. New York: Dial Books for Young Readers, 2007.
Lua MLA (8ú heag.)Arnold, Tedd. The Twin Princes. Dial Books for Young Readers, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.