APA Style
Bradley, Ray. (1999).
Understanding Computer Science for Advanced Level (4th edition).
UK:
Nelson Thornes Limited.
Chicago Style
Bradley, Ray.
Understanding Computer Science for Advanced Level.
4th edition
UK:
Nelson Thornes Limited,
1999.
Text.
MLA Style
Bradley, Ray.
Understanding Computer Science for Advanced Level.
4th edition
UK:
Nelson Thornes Limited,
1999.
Text.
Turabian Style
Bradley, Ray.
Understanding Computer Science for Advanced Level.
4th edition
UK:
Nelson Thornes Limited,
1999.
Print.