Sue O'Connell. (2000). Cambridge first certificate: Listening and speaking. Cambridge, UK: Cambridge Unversity Press.
Παραπομπή Chicago StyleSue O'Connell. Cambridge First Certificate: Listening and Speaking. Cambridge, UK: Cambridge Unversity Press, 2000.
Παραπομπή MLASue O'Connell. Cambridge First Certificate: Listening and Speaking. Cambridge, UK: Cambridge Unversity Press, 2000.
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