APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.