Howard-Williams, D., Tomalin, M., & Watcyn-Jones, P. Instant Lessons 2, Intermediate.
Lua i Stíl Chicago (17ú heag.)Howard-Williams, Deirdre, Mary Tomalin, agus Peter Watcyn-Jones. Instant Lessons 2, Intermediate.
Lua MLA (8ú heag.)Howard-Williams, Deirdre, et al. Instant Lessons 2, Intermediate.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.