General Centificate of Secondary Education & Suffolk. County Council. Co-ordinated science lesson notes: Chemistry. Collins Educational.
Cita Chicago (17th ed.)General Centificate of Secondary Education i Suffolk. County Council. Co-ordinated Science Lesson Notes: Chemistry. London: Collins Educational.
Cita MLA (9th ed.)General Centificate of Secondary Education i Suffolk. County Council. Co-ordinated Science Lesson Notes: Chemistry. Collins Educational.
Atenció: Aquestes cites poden no estar 100% correctes.