APA-ийн эшлэл(7 дахь хэвлэлт)

Burchell, J., & Gould, M. (2020). Cambridge Lower Secondary English Stage 7: Student's Book (1st.). Collins.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Burchell, Julia, ба Mike Gould. Cambridge Lower Secondary English Stage 7: Student's Book. 1st. UK: Collins, 2020.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Burchell, Julia, ба Mike Gould. Cambridge Lower Secondary English Stage 7: Student's Book. 1st. Collins, 2020.