Viney, P., & Brown, C. (1997). Underground. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Viney, Peter, agus Chris Brown. Underground. Oxford: Oxford University Press, 1997.
Lua MLA (9ú heag.)Viney, Peter, agus Chris Brown. Underground. Oxford University Press, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.