APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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