Cita APA (7a ed.)

Naylor, H., & Murphy, R. (1996). Essential grammar in use: Supplementary exercises : with answes. Cambridge University Press.

Cita Chicago Style (17a ed.)

Naylor, Helen, y Raymond Murphy. Essential Grammar in Use: Supplementary Exercises : With Answes. Cambridge, United Kingdom: Cambridge University Press, 1996.

Cita MLA (9a ed.)

Naylor, Helen, y Raymond Murphy. Essential Grammar in Use: Supplementary Exercises : With Answes. Cambridge University Press, 1996.