APA-viite

Horspool, M., & Humphreys, M. W. (2018). European union law (10 th ed.). Oxford University Press.

Chicago-tyylinen lähdeviittaus

Horspool, Margot, ja Matthew Wells-Greco Humphreys. European Union Law. 10 th ed. N.Y: Oxford University Press, 2018.

MLA-viite

Horspool, Margot, ja Matthew Wells-Greco Humphreys. European Union Law. 10 th ed. Oxford University Press, 2018.