Cita APA (7a ed.)

Allwright, D., & Bailey, K. M. (1991). Focus on the language classroom: An introduction to classroom research for language teachers. Cambridge University Press.

Cita Chicago Style (17a ed.)

Allwright, Dick, y Kathleen M. Bailey. Focus on the Language Classroom: An Introduction to Classroom Research for Language Teachers. Cambridge [England] ; New York: Cambridge University Press, 1991.

Cita MLA (8a ed.)

Allwright, Dick, y Kathleen M. Bailey. Focus on the Language Classroom: An Introduction to Classroom Research for Language Teachers. Cambridge University Press, 1991.