Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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