APA-viite (7. p.)

Belle Cottingham. (2021). Cambridge Lower SEcondary Maths Stage 8: Teacher's Guide. Collins.

Chicago-viite (17. p.)

Belle Cottingham. Cambridge Lower SEcondary Maths Stage 8: Teacher's Guide. London: Collins, 2021.

MLA-viite (9. p.)

Belle Cottingham. Cambridge Lower SEcondary Maths Stage 8: Teacher's Guide. Collins, 2021.