Cita APA (7a ed.)

Nunan, D., & Richards, J. C. (1990). SECOND language teacher education. Cambridge University Press.

Cita Chicago Style (17a ed.)

Nunan, David, y Jack C. Richards. SECOND Language Teacher Education. Cambridge: Cambridge University Press, 1990.

Cita MLA (8a ed.)

Nunan, David, y Jack C. Richards. SECOND Language Teacher Education. Cambridge University Press, 1990.