Cita APA

Doff, A., & Jones, C. (2004). Language in use: : classroom book. Cambridge University Press.

Chicago Edition Citation

Doff, Adrian, i Christopher Jones. Language in Use: : Classroom Book. N.Delhi: Cambridge University Press, 2004.

Cita MLA

Doff, Adrian, i Christopher Jones. Language in Use: : Classroom Book. Cambridge University Press, 2004.