Graham Brown. (2016). Cambridge IGCSE ICT Practical Workbook (Workbook.). Hodder Education.
Lua i Stíl Chicago (17ú heag.)Graham Brown. Cambridge IGCSE ICT Practical Workbook. Workbook. Hodder Education, 2016.
Lua MLA (9ú heag.)Graham Brown. Cambridge IGCSE ICT Practical Workbook. Workbook. Hodder Education, 2016.
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