Hashemi, L. and Thomas, B., Grammar for First Certificate, Cambridge,
Thomas, B. and Matthews, L., Vocabulary for First Certificate, Cambridge,
Bibliografía complementaria,
Comfort, J., Effective Presentations, Oxford,
Hancock, M., English Pronunciation in use, Cambridge,
McCarthy, M. and O'Dell, F., English Vocabulary in use, Cambridge,
Murphy, R., English Grammar in use, Cambridge,
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