Cita APA (7th ed.)

Murphy, R. Intermediate English Grammar: With answers. Cambridge University Press.

Cita Chicago (17th ed.)

Murphy, Raymond. Intermediate English Grammar: With Answers. Cambridge: Cambridge University Press.

Cita MLA (9th ed.)

Murphy, Raymond. Intermediate English Grammar: With Answers. Cambridge University Press.

Atenció: Aquestes cites poden no estar 100% correctes.