Garton-Sprenger, J. (1990). Flying colours 1: Students' Book. Heinemann.
Lua i Stíl Chicago (17ú heag.)Garton-Sprenger, Judy. Flying Colours 1: Students' Book. Oxford: Heinemann, 1990.
Lua MLA (9ú heag.)Garton-Sprenger, Judy. Flying Colours 1: Students' Book. Heinemann, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.