Jones, L. (1984). Ideas: Speaking and listening activities for upper-intermediate students. Teacher's book (1a. ed.). Cambridge University.
Citace podle Chicago (17th ed.)Jones, Leo. Ideas: Speaking and Listening Activities for Upper-intermediate Students. Teacher's Book. 1a. ed. Cambridge: Cambridge University, 1984.
Citace podle MLA (9th ed.)Jones, Leo. Ideas: Speaking and Listening Activities for Upper-intermediate Students. Teacher's Book. 1a. ed. Cambridge University, 1984.
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