APA-ийн эшлэл(7 дахь хэвлэлт)

Sayer, M., Dellar, H., & Walkley, A. (2016). Outcomes. Upper Intermediate: Teacher's Book Class Audio (segunda edición.). National Geographic Learning.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Sayer, Mike, Hugh Dellar, ба Andrew Walkley. Outcomes. Upper Intermediate: Teacher's Book Class Audio. segunda edición. Hampshire: National Geographic Learning, 2016.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Sayer, Mike, et al. Outcomes. Upper Intermediate: Teacher's Book Class Audio. segunda edición. National Geographic Learning, 2016.