Cita APA (7a ed.)

Allwright, D., & Bailey, K. M. (1991). Focus on the language classroom: An Introduction to classroom research for language teachers (1st. ed.). Cambridge University.

Cita Chicago Style (17a ed.)

Allwright, Dick, y Kathleen M. Bailey. Focus on the Language Classroom: An Introduction to Classroom Research for Language Teachers. 1st. ed. Cambridge: Cambridge University, 1991.

Cita MLA (9a ed.)

Allwright, Dick, y Kathleen M. Bailey. Focus on the Language Classroom: An Introduction to Classroom Research for Language Teachers. 1st. ed. Cambridge University, 1991.