Rogers J. John. (2007). Market Leader. PRE-Intermediate Business English Practice File. Harlow, Longman, 2007.
Cita Chicago (17th ed.)Rogers J. John. Market Leader. PRE-Intermediate Business English Practice File. Harlow, Longman, 2007, 2007.
Cita MLA (9th ed.)Rogers J. John. Market Leader. PRE-Intermediate Business English Practice File. Harlow, Longman, 2007, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.