Doff, A. (1988). Teach English: A Training Course for Teachers; Trainer's Handbook. Cambridge: Cambridge University.
Παραπομπή Chicago StyleDoff, Adrian. Teach English: A Training Course for Teachers; Trainer's Handbook. Cambridge: Cambridge University, 1988.
Παραπομπή MLADoff, Adrian. Teach English: A Training Course for Teachers; Trainer's Handbook. Cambridge: Cambridge University, 1988.
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