APA-referens (7:e uppl.)

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.