Eastwood, J. (1992). Oxford practice grammar (ed.). Oxford University Press.
Chicago-čujuhus (17. p.)Eastwood, John. Oxford Practice Grammar. ed. Hong Kong: Oxford University Press, 1992.
MLA-čujuhus (9. p.)Eastwood, John. Oxford Practice Grammar. ed. Oxford University Press, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.