APA-viite (7. p.)

Catrin Brown. (2014). Higher level Chemistry (2nd edition.). Pearson education.

Chicago-viite (17. p.)

Catrin Brown. Higher Level Chemistry. 2nd edition. Essex: Pearson education, 2014.

MLA-viite (9. p.)

Catrin Brown. Higher Level Chemistry. 2nd edition. Pearson education, 2014.