APA aipamena

Tony Gardiner. (2000). Maths challenge. Oxford: Oxford University Press.

Chicago Style aipamena

Tony Gardiner. Maths Challenge. Oxford: Oxford University Press, 2000.

MLA aipamena

Tony Gardiner. Maths Challenge. Oxford: Oxford University Press, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.