Cita APA (7th ed.)

Julia Burchell. (2020). Cambridge Lower Secondary English Stage 9: Teacher's Guide. Harper Collins.

Cita Chicago (17th ed.)

Julia Burchell. Cambridge Lower Secondary English Stage 9: Teacher's Guide. London: Harper Collins, 2020.

Cita MLA (9th ed.)

Julia Burchell. Cambridge Lower Secondary English Stage 9: Teacher's Guide. Harper Collins, 2020.