Cita APA (7a ed.)

Willis, D., & Willis, J. R. (2007). Doing task-based teaching. Oxford University Press.

Cita Chicago Style (17a ed.)

Willis, D., y Jane R. Willis. Doing Task-based Teaching. Oxford: Oxford University Press, 2007.

Cita MLA (9a ed.)

Willis, D., y Jane R. Willis. Doing Task-based Teaching. Oxford University Press, 2007.