Doff, A., & Jones, C. Language in use: : self study workbook with answer key. Cambridge University Press India.
Chicago Edition CitationDoff, Adrian, and Christopher Jones. Language in Use: : Self Study Workbook with Answer Key. N.Delhi: Cambridge University Press India.
MLA Edition CitationDoff, Adrian, and Christopher Jones. Language in Use: : Self Study Workbook with Answer Key. Cambridge University Press India.
Warning: These citations may not always be 100% accurate.