Chris Pearce. (2018). Cambridge IGCSE Maths Student's Book. HarperCollins.
Chicago-čujuhus (17. p.)Chris Pearce. Cambridge IGCSE Maths Student's Book. London: HarperCollins, 2018.
MLA-čujuhus (9. p.)Chris Pearce. Cambridge IGCSE Maths Student's Book. HarperCollins, 2018.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.