Vikner, S. (1995). Verb movement and expletive subjects in the Germanic languages. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Vikner, Sten. Verb Movement and Expletive Subjects in the Germanic Languages. New York: Oxford University Press, 1995.
Lua MLA (9ú heag.)Vikner, Sten. Verb Movement and Expletive Subjects in the Germanic Languages. Oxford University Press, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.