Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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