APA-ийн эшлэл(7 дахь хэвлэлт)

Barber, D., & Richardson, K. (2016). Keynote: Intermediate. Teacher's Book (1a. ed.). National Geographic Learning.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Barber, Daniel, ба Karen Richardson. Keynote: Intermediate. Teacher's Book. 1a. ed. Hampshire: National Geographic Learning, 2016.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Barber, Daniel, ба Karen Richardson. Keynote: Intermediate. Teacher's Book. 1a. ed. National Geographic Learning, 2016.