General Centificate of Secondary Education & Suffolk. County Council. Co-ordinated science lesson notes: Chemistry. Collins Educational.
Chicago-referens (17:e uppl.)General Centificate of Secondary Education och Suffolk. County Council. Co-ordinated Science Lesson Notes: Chemistry. London: Collins Educational.
MLA-referens (9:e uppl.)General Centificate of Secondary Education och Suffolk. County Council. Co-ordinated Science Lesson Notes: Chemistry. Collins Educational.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.