Citazione Stile APA (7a Edizione)

Wajnryb, R. (1995). Classroom observation tasks: A resource book for language (3a. ed.). Cambridge University.

Citazione stile Chigago Style (17a edizione)

Wajnryb, Ruth. Classroom Observation Tasks: A Resource Book for Language. 3a. ed. Cambridge: Cambridge University, 1995.

Citatione MLA (9a ed.)

Wajnryb, Ruth. Classroom Observation Tasks: A Resource Book for Language. 3a. ed. Cambridge University, 1995.