Parrott, M. (2000). Grammar for english language teachers. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Parrott, Martin. Grammar for English Language Teachers. Ambridge: Cambridge University Press, 2000.
Lua MLA (9ú heag.)Parrott, Martin. Grammar for English Language Teachers. Cambridge University Press, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.