Cita APA (7a ed.)

Parrott, M. a. (2010). Grammar for english language teachers (2nd edition.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Parrott, Martin autor. Grammar for English Language Teachers. 2nd edition. Cambridge, United Kingdom: Cambridge University Press, 2010.

Cita MLA (9a ed.)

Parrott, Martin autor. Grammar for English Language Teachers. 2nd edition. Cambridge University Press, 2010.