Tims, N., Redston, C., & Cunninham, G. (2013). Face2face: Intermediate Workbook with key (segunda edición.). Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Tims, Nicholas, Chris Redston, agus Gillie Cunninham. Face2face: Intermediate Workbook with Key. segunda edición. Cambridge, United Kongdom: Cambridge University Press, 2013.
Lua MLA (9ú heag.)Tims, Nicholas, et al. Face2face: Intermediate Workbook with Key. segunda edición. Cambridge University Press, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.