David Rayner; Jim Fensom. (2014). International Mathematics for Cambridge IGCSERG (Pap/Cdr.). Oxford University Press.
Chicago-čujuhus (17. p.)David Rayner; Jim Fensom. International Mathematics for Cambridge IGCSERG. Pap/Cdr. Oxford University Press, 2014.
MLA-čujuhus (9. p.)David Rayner; Jim Fensom. International Mathematics for Cambridge IGCSERG. Pap/Cdr. Oxford University Press, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.