Cita APA (7a ed.)

Wajnryb, R. (1992). Classroom Observation Tasks: A Resource Book for Language Teachers and Trainers. Cambridge University Press.

Cita Chicago Style (17a ed.)

Wajnryb, Ruth. Classroom Observation Tasks: A Resource Book for Language Teachers and Trainers. Cambridge: Cambridge University Press, 1992.

Cita MLA (8a ed.)

Wajnryb, Ruth. Classroom Observation Tasks: A Resource Book for Language Teachers and Trainers. Cambridge University Press, 1992.