APA (7th ed.) Citation

Wajnryb, R. (1992). Classroom observation tasks: A resource book for language teachers and trainers. Cambridge University Press.

Chicago Style (17th ed.) Citation

Wajnryb, Ruth. Classroom Observation Tasks: A Resource Book for Language Teachers and Trainers. Cambridge [England] ; New York: Cambridge University Press, 1992.

MLA (9th ed.) Citation

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