Hewings, M. (2013). Advanced Grammar In Use With Answers: A Self-study Reference And Practice Book For Advanced Learners Of English (Third Edition.). Cambridge University Press.
Chicago-viite (17. p.)Hewings, Martin. Advanced Grammar In Use With Answers: A Self-study Reference And Practice Book For Advanced Learners Of English. Third Edition. Cambridge, United Kingdom: Cambridge University Press, 2013.
MLA-viite (9. p.)Hewings, Martin. Advanced Grammar In Use With Answers: A Self-study Reference And Practice Book For Advanced Learners Of English. Third Edition. Cambridge University Press, 2013.
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