Leo Jones. (1983). Functions of American English: Communication activities for the classroom ( Student's book ). Cambridge, UK: Cambridge Univ. Press.
Παραπομπή Chicago StyleLeo Jones. Functions of American English: Communication Activities for the Classroom ( Student's Book ). Cambridge, UK: Cambridge Univ. Press, 1983.
Παραπομπή MLALeo Jones. Functions of American English: Communication Activities for the Classroom ( Student's Book ). Cambridge, UK: Cambridge Univ. Press, 1983.
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