Liz, McCaul, J., & Soars, J. (2019). New headway: Pre-intermediate. workbook with key (Fifth edition.). Oxford University Press.
Chicago-čujuhus (17. p.)Liz, Jo McCaul, juo John Soars. New Headway: Pre-intermediate. Workbook with Key. Fifth edition. Oxford: Oxford University Press, 2019.
MLA-čujuhus (9. p.)Liz, et al. New Headway: Pre-intermediate. Workbook with Key. Fifth edition. Oxford University Press, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.