Dellar, H., & Walkley, A. (2016). Outcomes: Intermediate Student's Book (second edition.). National Geographic Learning; Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Dellar, Hugh, agus Andrew Walkley. Outcomes: Intermediate Student's Book. second edition. United Kingdom: National Geographic Learning; Cengage Learning, 2016.
Lua MLA (9ú heag.)Dellar, Hugh, agus Andrew Walkley. Outcomes: Intermediate Student's Book. second edition. National Geographic Learning; Cengage Learning, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.