Citazione APA

Trask, R. L. (1999). Key concepts in language and linguistics. Routledge.

Stile di citazione Chicago

Trask, R. L. Key Concepts in Language and Linguistics. London ; New York: Routledge, 1999.

Citazione MLA

Trask, R. L. Key Concepts in Language and Linguistics. Routledge, 1999.