APA (7th ed.) Citation

Helen Ball. (2018). Cambridge International AS and A Level Mathematics Pure Mathematics 1 Student Book (Cambridge International Examinations) (edition.). HarperCollins UK.

Chicago Style (17th ed.) Citation

Helen Ball. Cambridge International AS and A Level Mathematics Pure Mathematics 1 Student Book (Cambridge International Examinations). edition. HarperCollins UK, 2018.

MLA (9th ed.) Citation

Helen Ball. Cambridge International AS and A Level Mathematics Pure Mathematics 1 Student Book (Cambridge International Examinations). edition. HarperCollins UK, 2018.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.