APA aipamena

Tims, N., Redston, C., & Cunningham, G. (2016). Face2face: Pre-intermediate workbook whit Key (segunda edición.). Cambridge University Press.

Chicago Style aipamena

Tims, Nicholas, Chris Redston, and Gillie Cunningham. Face2face: Pre-intermediate Workbook Whit Key. segunda edición. Delhi, India: Cambridge University Press, 2016.

MLA aipamena

Tims, Nicholas, Chris Redston, and Gillie Cunningham. Face2face: Pre-intermediate Workbook Whit Key. segunda edición. Delhi, India: Cambridge University Press, 2016.