Wray, A. (1992). The focusing hypothesis: The theory of left hemisphere lateralised language re-examined. J. Benjamins Pub. Co..
Lua i Stíl Chicago (17ú heag.)Wray, Alison. The Focusing Hypothesis: The Theory of Left Hemisphere Lateralised Language Re-examined. Amsterdam ; Philadelphia: J. Benjamins Pub. Co., 1992.
Lua MLA (9ú heag.)Wray, Alison. The Focusing Hypothesis: The Theory of Left Hemisphere Lateralised Language Re-examined. J. Benjamins Pub. Co., 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.