Jones, L. (1994). Ideas: Speaking and listening activities for upper-Intermediate students. Cambridge: Cambridge University.
Trích dẫn kiểu ChicagoJones, Leo. Ideas: Speaking and Listening Activities for Upper-Intermediate Students. Cambridge: Cambridge University, 1994.
Deismireacht MLAJones, Leo. Ideas: Speaking and Listening Activities for Upper-Intermediate Students. Cambridge: Cambridge University, 1994.
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