Harrison, M. (2009). Oxford living grammar: Pre-intermediate. Oxford University Press.
Chicago-čujuhus (17. p.)Harrison, Mark. Oxford Living Grammar: Pre-intermediate. New York: Oxford University Press, 2009.
MLA-čujuhus (9. p.)Harrison, Mark. Oxford Living Grammar: Pre-intermediate. Oxford University Press, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.