General Centificate of Secondary Education & Suffolk. County Council. Co-ordinated science lesson notes: Chemistry. Collins Educational.
Lua i Stíl Chicago (17ú heag.)General Centificate of Secondary Education agus Suffolk. County Council. Co-ordinated Science Lesson Notes: Chemistry. London: Collins Educational.
Lua MLA (9ú heag.)General Centificate of Secondary Education agus Suffolk. County Council. Co-ordinated Science Lesson Notes: Chemistry. Collins Educational.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.