Thomas, A. (1972). A practical English Grammar. Uni. press.
Lua i Stíl Chicago (17ú heag.)Thomas, A. A Practical English Grammar. Oxford: Uni. press, 1972.
Lua MLA (9ú heag.)Thomas, A. A Practical English Grammar. Uni. press, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.