Murphy,Raymond. English grammar in use: A self-study reference and practice book for intermediate students of English (4th.). Cambridge.
Style de citation Chicago (17e éd.)Murphy,Raymond. English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Students of English. 4th. 2016: Cambridge.
Style de citation MLA (9e éd.)Murphy,Raymond. English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Students of English. 4th. Cambridge.
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