Rayner David. (2018). Complete Mathematics for Cambridge IGCSE Fifth Edition Extended (5th.). Oxford University Press.
Chicago-viite (17. p.)Rayner David. Complete Mathematics for Cambridge IGCSE Fifth Edition Extended. 5th. United Kingdom: Oxford University Press, 2018.
MLA-viite (9. p.)Rayner David. Complete Mathematics for Cambridge IGCSE Fifth Edition Extended. 5th. Oxford University Press, 2018.
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