Capel, A. (2010). Objective KET: Student's book. Cambridge: Cambridge University Press.
Trích dẫn kiểu ChicagoCapel, Annette. Objective KET: Student's Book. Cambridge: Cambridge University Press, 2010.
MLA CitationCapel, Annette. Objective KET: Student's Book. Cambridge: Cambridge University Press, 2010.
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