Greenall S. Simon. (1997). Reward. Elementary: Teacher's Book. Oxford, Heinemann, 1997.
Lua i Stíl Chicago (17ú heag.)Greenall S. Simon. Reward. Elementary: Teacher's Book. Oxford, Heinemann, 1997, 1997.
Lua MLA (9ú heag.)Greenall S. Simon. Reward. Elementary: Teacher's Book. Oxford, Heinemann, 1997, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.