Julia Burchell. Cambridge IGCSE English Revised Edition. Collins Cambridge.
Cita Chicago (17th ed.)Julia Burchell. Cambridge IGCSE English Revised Edition. UK: Collins Cambridge.
Cita MLA (9th ed.)Julia Burchell. Cambridge IGCSE English Revised Edition. Collins Cambridge.
Atenció: Aquestes cites poden no estar 100% correctes.