Green, N., Hartley, T. C., & Usher, J. A. (1991). The legal foundations of the single European market. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Green, Nicholas, Trevor C. Hartley, agus John A. Usher. The Legal Foundations of the Single European Market. Oxford: Oxford University Press, 1991.
Lua MLA (9ú heag.)Green, Nicholas, et al. The Legal Foundations of the Single European Market. Oxford University Press, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.