Tims, N., Redston, C., & Cunninham, G. (2013). Face2face: Intermediate Workbook with key (segunda edición.). Cambridge University Press.
Chicago-čujuhus (17. p.)Tims, Nicholas, Chris Redston, juo Gillie Cunninham. Face2face: Intermediate Workbook with Key. segunda edición. Cambridge, United Kongdom: Cambridge University Press, 2013.
MLA-čujuhus (9. p.)Tims, Nicholas, et al. Face2face: Intermediate Workbook with Key. segunda edición. Cambridge University Press, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.