Thomson and Martinet. Practical English Grammar (4th.). Oxford University Press.
Chicago-čujuhus (17. p.)Thomson and Martinet. Practical English Grammar. 4th. New Delhi New Delhi: Oxford University Press.
MLA-čujuhus (9. p.)Thomson and Martinet. Practical English Grammar. 4th. Oxford University Press.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.