Ruth Wajryb. (1992). Classroom Observation tasks: A resource book for language teachers and trainers. Cambridge, UK: Cambridge Univ. Press.
Stile di citazione ChicagoRuth Wajryb. Classroom Observation Tasks: A Resource Book for Language Teachers and Trainers. Cambridge, UK: Cambridge Univ. Press, 1992.
Citazione MLARuth Wajryb. Classroom Observation Tasks: A Resource Book for Language Teachers and Trainers. Cambridge, UK: Cambridge Univ. Press, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.