Murphy, R. (2007). Essential grammar in use: A self-study reference and practice book for elementary students of English (3th ed. with answers.). Cambridge University Press,.
Cita Chicago Style (17a ed.)Murphy, Raymond. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Students of English. 3th ed. with answers. Cambridge [etc.] :: Cambridge University Press,, 2007.
Cita MLA (9a ed.)Murphy, Raymond. Essential Grammar in Use: A Self-study Reference and Practice Book for Elementary Students of English. 3th ed. with answers. Cambridge University Press,, 2007.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.