Crystal, D. (2009). Txtng: The gr8 db8. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Crystal, David. Txtng: The Gr8 Db8. Oxford: Oxford University Press, 2009.
Lua MLA (9ú heag.)Crystal, David. Txtng: The Gr8 Db8. Oxford University Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.