Doff, A. (2011). Teach English: A training course for teachers (teacher's workbook). Cambridge: Cambridge University Press in association with the British Council.
Trích dẫn kiểu ChicagoDoff, Adrian. Teach English: A Training Course for Teachers (teacher's Workbook). Cambridge: Cambridge University Press in association with the British Council, 2011.
Deismireacht MLADoff, Adrian. Teach English: A Training Course for Teachers (teacher's Workbook). Cambridge: Cambridge University Press in association with the British Council, 2011.
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