Παραπομπή APA

Hewings, M. (1999). Advanced grammar in use: A self-study reference and practice book for advanced learners of english with answers. Cambridge: Cambridge University Press.

Παραπομπή Chicago Style

Hewings, Martin. Advanced Grammar in Use: A Self-study Reference and Practice Book for Advanced Learners of English With Answers. Cambridge: Cambridge University Press, 1999.

Παραπομπή MLA

Hewings, Martin. Advanced Grammar in Use: A Self-study Reference and Practice Book for Advanced Learners of English With Answers. Cambridge: Cambridge University Press, 1999.

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