Trask, R. L. (1999). Key concepts in language and linguistics. Routledge.
Chicago Style (17th ed.) CitationTrask, R. L. Key Concepts in Language and Linguistics. London ; New York: Routledge, 1999.
MLA (9th ed.) CitationTrask, R. L. Key Concepts in Language and Linguistics. Routledge, 1999.
Warning: These citations may not always be 100% accurate.