Citazione Stile APA (7a Edizione)
Murphy, R. (2015). Essential grammar in use: <a> self-study reference and practice book for elementary learners of English (4th ed.). Cambridge University Press.
Citazione stile Chigago Style (17a edizione)
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.
Citatione MLA (9a ed.)
Murphy, Raymond. Essential Grammar in Use: <a> Self-study Reference and Practice Book for Elementary Learners of English. 4th ed. Cambridge University Press, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.