Greenall, S., & Delestrée, A. (1998). Reward: Elementary. Grammar and Vocabulary. Macmillan Heinemann.
Lua i Stíl Chicago (17ú heag.)Greenall, Simon, agus Anne Delestrée. Reward: Elementary. Grammar and Vocabulary. Oxford: Macmillan Heinemann, 1998.
Lua MLA (9ú heag.)Greenall, Simon, agus Anne Delestrée. Reward: Elementary. Grammar and Vocabulary. Macmillan Heinemann, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.