Παραπομπή σε μορφή APA (7η εκδ.)

Hix, S., & Høyland, B. K. (2022). The political system of the European Union (Fourth edition.). Bloomsbury Academic.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hix, Simon, και Bjørn Kåre Høyland. The Political System of the European Union. Fourth edition. London ; New York: Bloomsbury Academic, 2022.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hix, Simon, και Bjørn Kåre Høyland. The Political System of the European Union. Fourth edition. Bloomsbury Academic, 2022.