Trask R L. (2004). Key Concepts in Language & Linguistics. Rouledge.
Chicago Edition CitationTrask R L. Key Concepts in Language & Linguistics. London: Rouledge, 2004.
Cita MLATrask R L. Key Concepts in Language & Linguistics. Rouledge, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.