General Certificate of Secondary Education. (1990). Co-ordinated science: The Suffolk development. East Midland Regional Examination Board.
Chicago-Zitierstil (17. Ausg.)General Certificate of Secondary Education. Co-ordinated Science: The Suffolk Development. [s.l.]: East Midland Regional Examination Board, 1990.
MLA-Zitierstil (9. Ausg.)General Certificate of Secondary Education. Co-ordinated Science: The Suffolk Development. East Midland Regional Examination Board, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.