Van Valin, R. D. (2001). An introduction to syntax. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Van Valin, Robert D. An Introduction to Syntax. Cambridge, Eng: Cambridge University Press, 2001.
Lua MLA (9ú heag.)Van Valin, Robert D. An Introduction to Syntax. Cambridge University Press, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.