Cita APA (7a ed.)

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.