Παραπομπή APA

Doff, A. J. (2001). Language in use: Beginner's Classroom book. Cambridge University Press.

Παραπομπή Chicago Style

Doff, Adrian; Jones. Language in Use: Beginner's Classroom Book. Cambridge: Cambridge University Press, 2001.

Παραπομπή MLA

Doff, Adrian; Jones. Language in Use: Beginner's Classroom Book. Cambridge University Press, 2001.