Carr J. C. Jane Comyns & Eales F. Frances. (2005). New Cutting Edge. Upper Intermediate: Workbook. Harlow, Longman, 2005.
Lua i Stíl Chicago (17ú heag.)Carr J. C. Jane Comyns agus Eales F. Frances. New Cutting Edge. Upper Intermediate: Workbook. Harlow, Longman, 2005, 2005.
Lua MLA (9ú heag.)Carr J. C. Jane Comyns agus Eales F. Frances. New Cutting Edge. Upper Intermediate: Workbook. Harlow, Longman, 2005, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.