Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.