Cita APA (7a ed.)

Julia Burchell. (2021). Cambridge Lower Secondary English Stage 9: Workbook. Collins.

Cita Chicago Style (17a ed.)

Julia Burchell. Cambridge Lower Secondary English Stage 9: Workbook. London: Collins, 2021.

Cita MLA (9a ed.)

Julia Burchell. Cambridge Lower Secondary English Stage 9: Workbook. Collins, 2021.