Redston C. Chris & Cunningham G. Gillie. (2008). Face2face. Upper Intermediate. Student's Book. Cambridge, Cambridge University Press, 2008.
Chicago Style aipamenaRedston C. Chris and Cunningham G. Gillie. Face2face. Upper Intermediate. Student's Book. Cambridge, Cambridge University Press, 2008, 2008.
MLA aipamenaRedston C. Chris and Cunningham G. Gillie. Face2face. Upper Intermediate. Student's Book. Cambridge, Cambridge University Press, 2008, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.