David Watson; Kirsty Thathapudi. (2016). Cambridge IGCSE ICT Theory Workbook (Workbook.). Hodder Education.
Chicago-referens (17:e uppl.)David Watson; Kirsty Thathapudi. Cambridge IGCSE ICT Theory Workbook. Workbook. Hodder Education, 2016.
MLA-referens (9:e uppl.)David Watson; Kirsty Thathapudi. Cambridge IGCSE ICT Theory Workbook. Workbook. Hodder Education, 2016.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.