Cita APA

Doff, A., & Jones, C. (1997). Language in use: Upper-intermediate : classroom book [Băng Casset]. Cambridge: Cambridge U. P..

Chicago Style Citation

Doff, Adrian, i Christopher Jones. Language in Use: Upper-intermediate : Classroom Book [Băng Casset]. Cambridge: Cambridge U. P., 1997.

Cita MLA

Doff, Adrian, i Christopher Jones. Language in Use: Upper-intermediate : Classroom Book [Băng Casset]. Cambridge: Cambridge U. P., 1997.