General Centificate of Secondary Education & Suffolk. County Council. Co-ordinated science lesson notes: Chemistry. Collins Educational.
Chicago-Zitierstil (17. Ausg.)General Centificate of Secondary Education und Suffolk. County Council. Co-ordinated Science Lesson Notes: Chemistry. London: Collins Educational.
MLA-Zitierstil (9. Ausg.)General Centificate of Secondary Education und Suffolk. County Council. Co-ordinated Science Lesson Notes: Chemistry. Collins Educational.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.