APA (7th ed.) Citation
Bradley, R. (1999). New understanding computer science for advanced level (4th.ed.). Stanley thornes.
Chicago Style (17th ed.) Citation
Bradley, Ray. New Understanding Computer Science for Advanced Level. 4th.ed. UK.: Stanley thornes, 1999.
MLA (9th ed.) Citation
Bradley, Ray. New Understanding Computer Science for Advanced Level. 4th.ed. Stanley thornes, 1999.
Warning: These citations may not always be 100% accurate.