Cita APA (7th ed.)
Murphy, R. (2003). Murphy's english grammar: A self-study reference and practice book for intermediate students of english; with answers. CUP.
Cita Chicago (17th ed.)
Murphy, Raymond. Murphy's English Grammar: A Self-study Reference and Practice Book for Intermediate Students of English; with Answers. Cambridge: CUP, 2003.
Cita MLA (9th ed.)
Murphy, Raymond. Murphy's English Grammar: A Self-study Reference and Practice Book for Intermediate Students of English; with Answers. CUP, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.