Hewings, M. (2013). Advanced grammar in use: A self-study reference and practice book for advanced learners of english (3rd ed.). Cambridge University.
Čikaški stil citiranja (17. izdanje)Hewings, Martin. Advanced Grammar in Use: A Self-study Reference and Practice Book for Advanced Learners of English. 3rd ed. Cambridge: Cambridge University, 2013.
MLA način citiranja (9. izdanje)Hewings, Martin. Advanced Grammar in Use: A Self-study Reference and Practice Book for Advanced Learners of English. 3rd ed. Cambridge University, 2013.
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