APA-ийн эшлэл(7 дахь хэвлэлт)

Lansford, L., Dummett, P., & Stephenson, H. (2016). Keynote: Advanced. Student's Book (1a. ed.). National Geographic Learning.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Lansford, Lewis, Paul Dummett, ба Helen Stephenson. Keynote: Advanced. Student's Book. 1a. ed. Hampshire: National Geographic Learning, 2016.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Lansford, Lewis, et al. Keynote: Advanced. Student's Book. 1a. ed. National Geographic Learning, 2016.