Doff, A. (1988). Teach English: A training course for teachers : trainer's handbook. Cambridge [Cambridgeshire]: Cambridge University Press, in association with the British Council.
Trích dẫn kiểu ChicagoDoff, Adrian. Teach English: A Training Course for Teachers : Trainer's Handbook. Cambridge [Cambridgeshire]: Cambridge University Press, in association with the British Council, 1988.
Deismireacht MLADoff, Adrian. Teach English: A Training Course for Teachers : Trainer's Handbook. Cambridge [Cambridgeshire]: Cambridge University Press, in association with the British Council, 1988.
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