Wajnryb, R. (1995). Classroom observation tasks: A resource book for language (3a. ed.). Cambridge University.
Chicago Style (17. basım) AtıfWajnryb, Ruth. Classroom Observation Tasks: A Resource Book for Language. 3a. ed. Cambridge: Cambridge University, 1995.
MLA (9th ed.) AtıfWajnryb, Ruth. Classroom Observation Tasks: A Resource Book for Language. 3a. ed. Cambridge University, 1995.
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