Trask, R. L., & Stockwell, P. (2007). Language and linguistics: The key concepts (Second edition.). Routledge.
Cita Chicago (17th ed.)Trask, R. L., i Peter Stockwell. Language and Linguistics: The Key Concepts. Second edition. Abingdon, Eng: Routledge, 2007.
Cita MLA (9th ed.)Trask, R. L., i Peter Stockwell. Language and Linguistics: The Key Concepts. Second edition. Routledge, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.