APA-ийн эшлэл(7 дахь хэвлэлт)

Mark Levesly. (2021). Cambridge Lower Secondary Science Stage 9: Student's Book. HarperCollins.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Mark Levesly. Cambridge Lower Secondary Science Stage 9: Student's Book. London: HarperCollins, 2021.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Mark Levesly. Cambridge Lower Secondary Science Stage 9: Student's Book. HarperCollins, 2021.