Rogers J. John. (2002). Market Leader. Upper Intermediate Business English; Practice File (3-rd ed.). Harlow, Longman, 2002.
Cita Chicago Style (17a ed.)Rogers J. John. Market Leader. Upper Intermediate Business English; Practice File. 3-rd ed. Harlow, Longman, 2002, 2002.
Cita MLA (9a ed.)Rogers J. John. Market Leader. Upper Intermediate Business English; Practice File. 3-rd ed. Harlow, Longman, 2002, 2002.
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