Murphy, R. (2015). Essential grammar in use: A self-study reference and practice book for elementary learners of English : with answers. Cambridge: Cambridge University Press.
Citação norma ChicagoMurphy, Raymond. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Learners of English : With Answers. Cambridge: Cambridge University Press, 2015.
Citação norma MLAMurphy, Raymond. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Learners of English : With Answers. Cambridge: Cambridge University Press, 2015.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.