Graham Brown. (2016). Cambridge IGCSE ICT Practical Workbook (Workbook.). Hodder Education.
Čikaški stil citiranja (17. izdanje)Graham Brown. Cambridge IGCSE ICT Practical Workbook. Workbook. Hodder Education, 2016.
MLA način citiranja (9. izdanje)Graham Brown. Cambridge IGCSE ICT Practical Workbook. Workbook. Hodder Education, 2016.
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