Cita APA (7a ed.)

Parrott, M. (2000). Grammar for english language teachers. Cambridge University Press.

Cita Chicago Style (17a ed.)

Parrott, Martin. Grammar for English Language Teachers. Ambridge: Cambridge University Press, 2000.

Cita MLA (9a ed.)

Parrott, Martin. Grammar for English Language Teachers. Cambridge University Press, 2000.