Citazione APA

Lelieveldt, H., & Princen, S. (2011). The politics of the European union. Cambridge university press.

Stile di citazione Chicago

Lelieveldt, Herman, e Sebastiaan Princen. The Politics of the European Union. Cambridge: Cambridge university press, 2011.

Citazione MLA

Lelieveldt, Herman, e Sebastiaan Princen. The Politics of the European Union. Cambridge university press, 2011.