Aitke, R. (1992). Teaching tenses. Thomas Nelson and Sons.
Lua i Stíl Chicago (17ú heag.)Aitke, Rosemary. Teaching Tenses. Edinburgh: Thomas Nelson and Sons, 1992.
Lua MLA (9ú heag.)Aitke, Rosemary. Teaching Tenses. Thomas Nelson and Sons, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.