Rogers, J. (2002). Market leader: Talk business (Pre-Intermediate business english). New York: Longman.
Παραπομπή Chicago StyleRogers, John. Market Leader: Talk Business (Pre-Intermediate Business English). New York: Longman, 2002.
Παραπομπή MLARogers, John. Market Leader: Talk Business (Pre-Intermediate Business English). New York: Longman, 2002.
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