Parrott, M. (2000). Grammar for English Teachers. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Parrott, Martin. Grammar for English Teachers. Cambridge: Cambridge University Press, 2000.
Lua MLA (8ú heag.)Parrott, Martin. Grammar for English Teachers. Cambridge University Press, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.