David Rayner. (2000). Extended Mathematics for Cambridge IGCSE. Oxford.
Cita Chicago (17th ed.)David Rayner. Extended Mathematics for Cambridge IGCSE. New York: Oxford, 2000.
Cita MLA (9th ed.)David Rayner. Extended Mathematics for Cambridge IGCSE. Oxford, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.