Richards, J. C. Interchange. English for international communication. Student´s Book 2.
Lua i Stíl Chicago (17ú heag.)Richards, Jack C. Interchange. English for International Communication. Student´s Book 2.
Lua MLA (8ú heag.)Richards, Jack C. Interchange. English for International Communication. Student´s Book 2.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.