APA Style

Watson, David. (2019). Cambridge International AS & A Level Computer Science . London: Hodder Education.

Chicago Style

Watson, David. Cambridge International AS & A Level Computer Science. London: Hodder Education, 2019. Text.

MLA Style

Watson, David. Cambridge International AS & A Level Computer Science. London: Hodder Education, 2019. Text.

Turabian Style

Watson, David. Cambridge International AS & A Level Computer Science. London: Hodder Education, 2019. Print.