Cita APA (7a ed.)

East, M. (2021). Foundational principles of task-based language teaching. Routledge.

Cita Chicago Style (17a ed.)

East, Martin. Foundational Principles of Task-based Language Teaching. London ; New York, New York: Routledge, 2021.

Cita MLA (9a ed.)

East, Martin. Foundational Principles of Task-based Language Teaching. Routledge, 2021.