APA
Mendez F., Mendez M. & Triga V. (2014). Referendums and the European Union. Cambridge: Cambridge University Press.
Chicago
Mendez Fernando, Mendez Mario and Triga Vasiliki. 2014. Referendums and the European Union. Cambridge: Cambridge University Press.
Harvard
Mendez F., Mendez M. and Triga V. (2014). Referendums and the European Union. Cambridge: Cambridge University Press.
MLA
Mendez Fernando, Mendez Mario and Triga Vasiliki. Referendums and the European Union. Cambridge: Cambridge University Press. 2014.