APA (7th ed.) Citation

DOFF, A. (2001). Language in use: Intermediate (self-study workbook with answer key)/ Adrian Doff and Christopher Jones. Cambridge University Press.

Chicago Style (17th ed.) Citation

DOFF, Adrian. Language in Use: Intermediate (self-study Workbook with Answer Key)/ Adrian Doff and Christopher Jones. Cambridge: Cambridge University Press, 2001.

MLA (8th ed.) Citation

DOFF, Adrian. Language in Use: Intermediate (self-study Workbook with Answer Key)/ Adrian Doff and Christopher Jones. Cambridge University Press, 2001.