Dyfyniad APA

General Centificate of Secondary Education & Suffolk. County Council. Co-ordinated science lesson notes: Chemistry. Collins Educational.

Dyfyniad Arddull Chicago

General Centificate of Secondary Education and Suffolk. County Council. Co-ordinated Science Lesson Notes: Chemistry. London: Collins Educational.

Dyfyniad MLA

General Centificate of Secondary Education and Suffolk. County Council. Co-ordinated Science Lesson Notes: Chemistry. Collins Educational.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.