Hughes, R., & Hughes, R. (2005). Exploring grammar in writing: Upper-intermediate and advanced with answers. Cambridge: Cambridge University Press.
Chicago Style CitationHughes, Rebecca, and Rebecca Hughes. Exploring Grammar in Writing: Upper-intermediate and Advanced With Answers. Cambridge: Cambridge University Press, 2005.
MLA CitationHughes, Rebecca, and Rebecca Hughes. Exploring Grammar in Writing: Upper-intermediate and Advanced With Answers. Cambridge: Cambridge University Press, 2005.
Warning: These citations may not always be 100% accurate.