Murphy, r. (1998). English grammar in use: A reference and practice book intermediate students. Cambridge University Press.
Cita Chicago (17th ed.)Murphy, raymond. English Grammar in Use: A Reference and Practice Book Intermediate Students. Cambridge University Press, 1998.
Cita MLA (9th ed.)Murphy, raymond. English Grammar in Use: A Reference and Practice Book Intermediate Students. Cambridge University Press, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.