(1995). A Reference Grammar For Students Of English R.a Close. Longman.
Lua i Stíl Chicago (17ú heag.)A Reference Grammar For Students Of English R.a Close. Longman, 1995.
Lua MLA (8ú heag.)A Reference Grammar For Students Of English R.a Close. Longman, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.