THOMSON,MARTINET. (1983). PRATICAL ENGLISH GRAMMER EXERCISES-2. E L B S.
Lua i Stíl Chicago (17ú heag.)THOMSON,MARTINET. PRATICAL ENGLISH GRAMMER EXERCISES-2. E L B S, 1983.
Lua MLA (9ú heag.)THOMSON,MARTINET. PRATICAL ENGLISH GRAMMER EXERCISES-2. E L B S, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.