Citazione APA

Hewings, M., & Martin Hewings. Advanced grammar in use: A self-study reference and practice book for advanced learners of English with answers. Cambridge University Press.

Stile di citazione Chicago

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

Citazione MLA

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

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