Murphy, R. (2012). English grammar in use: A self-study reference and practice book for intermediate learners of english (cuarta edición.). Cambridge University Press.
Citação norma ChicagoMurphy, Raymond. English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Learners of English. cuarta edición. Cambridge: Cambridge University Press, 2012.
Citação norma MLAMurphy, Raymond. English Grammar in Use: A Self-study Reference and Practice Book for Intermediate Learners of English. cuarta edición. Cambridge University Press, 2012.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.