Lally, J. (2015). Complete Global Perspectives For Cambridge IGCSE & O Level Second Edition (2nd.). Oxford University Press.
Chicago-čujuhus (17. p.)Lally, Jo. Complete Global Perspectives For Cambridge IGCSE & O Level Second Edition. 2nd. UK: Oxford University Press, 2015.
MLA-čujuhus (9. p.)Lally, Jo. Complete Global Perspectives For Cambridge IGCSE & O Level Second Edition. 2nd. Oxford University Press, 2015.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.