Carr J. C. Jane Comyns & Eales F. Frances. (2006). New Cutting Edge. Upper-Intermediate: Workbook. Harlow, Longman, 2006.
Lua i Stíl Chicago (17ú heag.)Carr J. C. Jane Comyns agus Eales F. Frances. New Cutting Edge. Upper-Intermediate: Workbook. Harlow, Longman, 2006, 2006.
Lua MLA (9ú heag.)Carr J. C. Jane Comyns agus Eales F. Frances. New Cutting Edge. Upper-Intermediate: Workbook. Harlow, Longman, 2006, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.