Redston, C., Marchand, T., & Cunningham, G. (2007). Face2face: Upper intermediate teacher's book. Cambridge University Press.
Cita Chicago (17th ed.)Redston, Chris, Tim Marchand, i Gillie Cunningham. Face2face: Upper Intermediate Teacher's Book. Cambridge: Cambridge University Press, 2007.
Cita MLA (9th ed.)Redston, Chris, et al. Face2face: Upper Intermediate Teacher's Book. Cambridge University Press, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.