Cita APA (7th ed.)

Marian Cox. (2010). Cambridge IGCSE First Language English Workbook (Cambridge International IGCSE) (3.). CAMBRIDGE UNIVERSITY PRESS.

Cita Chicago (17th ed.)

Marian Cox. Cambridge IGCSE First Language English Workbook (Cambridge International IGCSE). 3. CAMBRIDGE UNIVERSITY PRESS, 2010.

Cita MLA (9th ed.)

Marian Cox. Cambridge IGCSE First Language English Workbook (Cambridge International IGCSE). 3. CAMBRIDGE UNIVERSITY PRESS, 2010.