Murphy, R. (2012). essential grammar in use: Aself-study reference and practice book for elementary students of English with answers. Cambridge University Press.
Cita Chicago Style (17a ed.)Murphy, Raymond. Essential Grammar in Use: Aself-study Reference and Practice Book for Elementary Students of English with Answers. Cambridge University Press, 2012.
Cita MLA (8a ed.)Murphy, Raymond. Essential Grammar in Use: Aself-study Reference and Practice Book for Elementary Students of English with Answers. Cambridge University Press, 2012.
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