Maris, A. (2016). Outcomes Upper Intermediate: Workbook Audio CD (Segunda edición.). National Geographic Learning Cengage Learning Company.
Chicago-čujuhus (17. p.)Maris, Amanda. Outcomes Upper Intermediate: Workbook Audio CD. Segunda edición. Hampshire: National Geographic Learning Cengage Learning Company, 2016.
MLA-čujuhus (9. p.)Maris, Amanda. Outcomes Upper Intermediate: Workbook Audio CD. Segunda edición. National Geographic Learning Cengage Learning Company, 2016.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.