Cita APA

Doff, A., & Jones, C. (1999). Language in use: Beginner: classroom book. Cambridge: Cambridge U. P..

Chicago Style Citation

Doff, Adrian, i Christopher Jones. Language in Use: Beginner: Classroom Book. Cambridge: Cambridge U. P., 1999.

Cita MLA

Doff, Adrian, i Christopher Jones. Language in Use: Beginner: Classroom Book. Cambridge: Cambridge U. P., 1999.