Soars, L., & Soars, J. (1998). New Headway English Course, Upper-Intermediate: Workbook. Oxford: Oxford University Press.
Style de citation ChicagoSoars, Liz, et John Soars. New Headway English Course, Upper-Intermediate: Workbook. Oxford: Oxford University Press, 1998.
Style de citation MLASoars, Liz, et John Soars. New Headway English Course, Upper-Intermediate: Workbook. Oxford: Oxford University Press, 1998.
Attention : ces citations peuvent ne pas être correctes à 100%.