Murphy, R. (2007). Essential grammar in use: CD-ROM. Cambridge University Press.
Chicago-čujuhus (17. p.)Murphy, Raymond. Essential Grammar in Use: CD-ROM. Cambridge: Cambridge University Press, 2007.
MLA-čujuhus (9. p.)Murphy, Raymond. Essential Grammar in Use: CD-ROM. Cambridge University Press, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.