ALEXANDER, L. (1993). First Think First New Concept English (recorded Drills: Tapescript) L.g. Alexander. Kanisius.
Lua i Stíl Chicago (17ú heag.)ALEXANDER, L.G. First Think First New Concept English (recorded Drills: Tapescript) L.g. Alexander. Kanisius, 1993.
Lua MLA (8ú heag.)ALEXANDER, L.G. First Think First New Concept English (recorded Drills: Tapescript) L.g. Alexander. Kanisius, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.