APA Style

Watson, David, Williams, Helen. (2021). Cambridge IGCSE and 0 Level Computer Science: Computer Systems Workbook . United Kingdom: Hodder Education.

Chicago Style

Watson, David, Williams, Helen. Cambridge IGCSE and 0 Level Computer Science: Computer Systems Workbook. United Kingdom: Hodder Education, 2021. Text.

MLA Style

Watson, David, Williams, Helen. Cambridge IGCSE and 0 Level Computer Science: Computer Systems Workbook. United Kingdom: Hodder Education, 2021. Text.

Turabian Style

Watson, David, Williams, Helen. Cambridge IGCSE and 0 Level Computer Science: Computer Systems Workbook. United Kingdom: Hodder Education, 2021. Print.