Cita APA (7a ed.)

Parkinson, T. (2007). Teaching and assessing skills in first language English. Cambridge University Press.

Cita Chicago Style (17a ed.)

Parkinson, Tony. Teaching and Assessing Skills in First Language English. Cambridge: Cambridge University Press, 2007.

Cita MLA (9a ed.)

Parkinson, Tony. Teaching and Assessing Skills in First Language English. Cambridge University Press, 2007.