David Rayner. (2000). Extended Mathematics for Cambridge IGCSE. Oxford.
Chicago Style aipamenaDavid Rayner. Extended Mathematics for Cambridge IGCSE. New York: Oxford, 2000.
MLA aipamenaDavid Rayner. Extended Mathematics for Cambridge IGCSE. Oxford, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.