Raymond Murphy. (2019). Essential English Grammar (1992.). Cambridge University Press.
Chicago-čujuhus (17. p.)Raymond Murphy. Essential English Grammar. 1992. Cambridge University Press, 2019.
MLA-čujuhus (9. p.)Raymond Murphy. Essential English Grammar. 1992. Cambridge University Press, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.