Cita APA

Doff, A., & Jones, C. (1994). Language in use: Intermediate : teacher's book. Cambridge: Cambridge U. P..

Citación estilo Chicago

Doff, Adrian, y Christopher Jones. Language in Use: Intermediate : Teacher's Book. Cambridge: Cambridge U. P., 1994.

Cita MLA

Doff, Adrian, y Christopher Jones. Language in Use: Intermediate : Teacher's Book. Cambridge: Cambridge U. P., 1994.