Hewings, M. (2013). Advanced grammar in use: A self-study reference and practice book for advanced learners of English (with answers and CD - ROM). Cambridge: Cambridge University Press.
Chicago Style citaatHewings, Martin. Advanced Grammar in Use: A Self-study Reference and Practice Book for Advanced Learners of English (with Answers and CD - ROM). Cambridge: Cambridge University Press, 2013.
MLA citatieHewings, Martin. Advanced Grammar in Use: A Self-study Reference and Practice Book for Advanced Learners of English (with Answers and CD - ROM). Cambridge: Cambridge University Press, 2013.
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