General Centificate of Secondary Education & Suffolk. County Council. (1987). Co-ordinated science lesson notes: Physics. Collins Educational.
Chicago-referens (17:e uppl.)General Centificate of Secondary Education och Suffolk. County Council. Co-ordinated Science Lesson Notes: Physics. London: Collins Educational, 1987.
MLA-referens (9:e uppl.)General Centificate of Secondary Education och Suffolk. County Council. Co-ordinated Science Lesson Notes: Physics. Collins Educational, 1987.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.