LONG, P. (2016). Cambridge international AS and A Level IT: Coursebook. Cambridge University Press.
Chicago-čujuhus (17. p.)LONG, Paul. Cambridge International AS and A Level IT: Coursebook. Cambridge University Press, 2016.
MLA-čujuhus (9. p.)LONG, Paul. Cambridge International AS and A Level IT: Coursebook. Cambridge University Press, 2016.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.