Hashemi, L. and Thomas, B., Grammar for First Certificate, Cambridge,
Bibliografía complementaria,
Thomas, B. and Matthews, L., Vocabulary for First Certificate, Cambridge,
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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