May, P. (2000). Knockout first certificate: Student's book (5th ed.). Oxford: Oxford U. P..
Chicago Style CitationMay, Peter. Knockout First Certificate: Student's Book. 5th ed. Oxford: Oxford U. P., 2000.
Cita MLAMay, Peter. Knockout First Certificate: Student's Book. 5th ed. Oxford: Oxford U. P., 2000.
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