David Watson; Kirsty Thathapudi. (2016). Cambridge IGCSE ICT Theory Workbook (Workbook.). Hodder Education.
Chicago-viite (17. p.)David Watson; Kirsty Thathapudi. Cambridge IGCSE ICT Theory Workbook. Workbook. Hodder Education, 2016.
MLA-viite (9. p.)David Watson; Kirsty Thathapudi. Cambridge IGCSE ICT Theory Workbook. Workbook. Hodder Education, 2016.
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