Sayer, M., Dellar, H., & Walkley, A. (2016). Outcomes : Pre-Intermediate: Teacher's book class audio (segunda edición.). National Geographic Learning.
Chicago-čujuhus (17. p.)Sayer, Mike, Hugh Dellar, juo Andrew Walkley. Outcomes : Pre-Intermediate: Teacher's Book Class Audio. segunda edición. Hampshire: National Geographic Learning, 2016.
MLA-čujuhus (9. p.)Sayer, Mike, et al. Outcomes : Pre-Intermediate: Teacher's Book Class Audio. segunda edición. National Geographic Learning, 2016.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.