Liz, Merifield, S., & Soars, J. (2019). New headway: Supper-intermediate. teacher's guide (Fifth edition.). Oxford University Press.
Chicago-čujuhus (17. p.)Liz, Sue Merifield, juo John Soars. New Headway: Supper-intermediate. Teacher's Guide. Fifth edition. Oxford: Oxford University Press, 2019.
MLA-čujuhus (9. p.)Liz, et al. New Headway: Supper-intermediate. Teacher's Guide. Fifth edition. Oxford University Press, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.