Pehrson, L., Oxelheim, L., & Gustavsson, S. (2009). How Unified Is the European Union?: European Integration Between Visions and Popular Legitimacy. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-95855-0
Παραπομπή σε μορφή Chicago (17η εκδ.)Pehrson, Lars, Lars Oxelheim, και Sverker Gustavsson. How Unified Is the European Union?: European Integration Between Visions and Popular Legitimacy. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. https://doi.org/10.1007/978-3-540-95855-0.
Παραπομπή σε μορφή MLA (9th εκδ.)Pehrson, Lars, et al. How Unified Is the European Union?: European Integration Between Visions and Popular Legitimacy. Springer Berlin Heidelberg, 2009. https://doi.org/10.1007/978-3-540-95855-0.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.