APA-čujuhus (7. p.)
Swan, M. (2016). Practical english usage (4th ed.). Oxford University Press.
Chicago-čujuhus (17. p.)
Swan, Michael. Practical English Usage. 4th ed. United Kingdom: Oxford University Press, 2016.
MLA-čujuhus (9. p.)
Swan, Michael. Practical English Usage. 4th ed. Oxford University Press, 2016.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.