APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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