General Certificate of Secondary Education. (1990). Co-ordinated science: The Suffolk development. East Midland Regional Examination Board.
Style de citation Chicago (17e éd.)General Certificate of Secondary Education. Co-ordinated Science: The Suffolk Development. [s.l.]: East Midland Regional Examination Board, 1990.
Style de citation MLA (9e éd.)General Certificate of Secondary Education. Co-ordinated Science: The Suffolk Development. East Midland Regional Examination Board, 1990.
Attention : ces citations peuvent ne pas être correctes à 100%.