Cita APA (7th ed.)

Tims, N., Redston, C., & Cunningham, G. (2006). Face2face: Intermediate workbook. Cambridge University.

Cita Chicago (17th ed.)

Tims, Nicholas, Chris Redston, i Gillie Cunningham. Face2face: Intermediate Workbook. Cambridge: Cambridge University, 2006.

Cita MLA (9th ed.)

Tims, Nicholas, et al. Face2face: Intermediate Workbook. Cambridge University, 2006.