Citação norma APA
Murphy, R. (2015). Essential grammar in use: <a> self-study reference and practice book for elementary learners of English (4th ed.). Cambridge University Press.
Citação norma Chicago
Murphy, Raymond. Essential Grammar in Use: <a> Self-study Reference and Practice Book for Elementary Learners of English. 4th ed. Cambridge: Cambridge University Press, 2015.
Citação norma MLA
Murphy, Raymond. Essential Grammar in Use: <a> Self-study Reference and Practice Book for Elementary Learners of English. 4th ed. Cambridge University Press, 2015.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.