(2007). Face2face: Upper intermediate teacher's book. New York: Cambridge University Press.
Chicago Style aipamenaFace2face: Upper Intermediate Teacher's Book. New York: Cambridge University Press, 2007.
MLA aipamenaFace2face: Upper Intermediate Teacher's Book. New York: Cambridge University Press, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.