Brown, C., & Ford, M. (2014). Pearson Baccalaureate Higher Level Chemistry 2nd Edition (2nd.). Pearson.
Lua i Stíl Chicago (17ú heag.)Brown, Catrin, agus Mike Ford. Pearson Baccalaureate Higher Level Chemistry 2nd Edition. 2nd. UK: Pearson, 2014.
Lua MLA (9ú heag.)Brown, Catrin, agus Mike Ford. Pearson Baccalaureate Higher Level Chemistry 2nd Edition. 2nd. Pearson, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.