Trask, R. L. (2004). Key concepts in language and linguistics. Routledge.
Chicago-čujuhus (17. p.)Trask, R. L. Key Concepts in Language and Linguistics. London: Routledge, 2004.
MLA-čujuhus (9. p.)Trask, R. L. Key Concepts in Language and Linguistics. Routledge, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.