Tims, N., Redston, C., & Cunninham, G. (2013). Face2face: Intermediate Workbook with key (segunda edición.). Cambridge University Press.
Čikaški stil citiranja (17. izdanje)Tims, Nicholas, Chris Redston, i Gillie Cunninham. Face2face: Intermediate Workbook with Key. segunda edición. Cambridge, United Kongdom: Cambridge University Press, 2013.
MLA način citiranja (9. izdanje)Tims, Nicholas, et al. Face2face: Intermediate Workbook with Key. segunda edición. Cambridge University Press, 2013.
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