Maris, A. (2010). Upper intermediate outcomes: Workbook. Heinle, Cengage Learning EMEA.
Lua i Stíl Chicago (17ú heag.)Maris, Amanda. Upper Intermediate Outcomes: Workbook. Hampshire: Heinle, Cengage Learning EMEA, 2010.
Lua MLA (9ú heag.)Maris, Amanda. Upper Intermediate Outcomes: Workbook. Heinle, Cengage Learning EMEA, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.