General Centificate of Secondary Education & Suffolk. County Council. (1987). Co-ordinated science lesson notes: Physics. Collins Educational.
Čikaški stil citiranja (17. izdanje)General Centificate of Secondary Education i Suffolk. County Council. Co-ordinated Science Lesson Notes: Physics. London: Collins Educational, 1987.
MLA način citiranja (9. izdanje)General Centificate of Secondary Education i Suffolk. County Council. Co-ordinated Science Lesson Notes: Physics. Collins Educational, 1987.
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