APA (7e ed.) Bronvermelding

Green, N., Hartley, T. C., & Usher, J. A. (1991). The legal foundations of the single European market. Oxford University Press.

Chicago (17e ed.) Bronvermelding

Green, Nicholas, Trevor C. Hartley, en John A. Usher. The Legal Foundations of the Single European Market. Oxford: Oxford University Press, 1991.

MLA (9e ed.) Bronvermelding

Green, Nicholas, et al. The Legal Foundations of the Single European Market. Oxford University Press, 1991.