Radford, A. (2009). An introduction to English sentence structure. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Radford, Andrew. An Introduction to English Sentence Structure. Cambridge: Cambridge University Press, 2009.
Lua MLA (9ú heag.)Radford, Andrew. An Introduction to English Sentence Structure. Cambridge University Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.