Soars L. Liz & Soars J. John. (1996). New Headway English Course. Intermediate: Workbook with key. Oxford, Oxford University Press, 1996.
Cita Chicago Style (17a ed.)Soars L. Liz y Soars J. John. New Headway English Course. Intermediate: Workbook with Key. Oxford, Oxford University Press, 1996, 1996.
Cita MLA (9a ed.)Soars L. Liz y Soars J. John. New Headway English Course. Intermediate: Workbook with Key. Oxford, Oxford University Press, 1996, 1996.
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