Hewings M. Martin. (2010). Cambridge Grammar for CAE and Proficiency with answers: Self-study grammar reference and practice (3rd ed.). Cambridge, Cambridge University Press, 2010.
Chicago Style (17th ed.) CitationHewings M. Martin. Cambridge Grammar for CAE and Proficiency with Answers: Self-study Grammar Reference and Practice. 3rd ed. Cambridge, Cambridge University Press, 2010, 2010.
MLA (9th ed.) CitationHewings M. Martin. Cambridge Grammar for CAE and Proficiency with Answers: Self-study Grammar Reference and Practice. 3rd ed. Cambridge, Cambridge University Press, 2010, 2010.
Warning: These citations may not always be 100% accurate.