Crystal, D. (2006). Words words words. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Crystal, David. Words Words Words. Oxford: Oxford University Press, 2006.
Lua MLA (9ú heag.)Crystal, David. Words Words Words. Oxford University Press, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.