Cita APA

ADRIAN DOFF. (1997). Language in use Upper - intermediate (0 521 55550 7). Cambridge.

Chicago Style Citation

ADRIAN DOFF. Language in Use Upper - Intermediate (0 521 55550 7). Cambridge, 1997.

Cita MLA

ADRIAN DOFF. Language in Use Upper - Intermediate (0 521 55550 7). Cambridge, 1997.

Atenció: Aquestes cites poden no estar 100% correctes.