Yule, G. (2020). The study of language (Seventh edition.). Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Yule, George. The Study of Language. Seventh edition. Cambridge: Cambridge University Press, 2020.
Lua MLA (8ú heag.)Yule, George. The Study of Language. Seventh edition. Cambridge University Press, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.