Redston, C., Clementson, T., & Cunningham, G. (2013). Face2face: Intermediate. Teacher's Book (Segunda edición.). Cambridge University Press.
Cita Chicago (17th ed.)Redston, Chris, Theresa Clementson, i Gillie Cunningham. Face2face: Intermediate. Teacher's Book. Segunda edición. Cambridge: Cambridge University Press, 2013.
Cita MLA (9th ed.)Redston, Chris, et al. Face2face: Intermediate. Teacher's Book. Segunda edición. Cambridge University Press, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.