| Cini, M. & ,Nieves, P. & Borragan, S. (2010). European Union Politics, Oxford University Press, USA. |
| Hodson, D & Petersen, J (2017) The Institutions of the European Union. Oxford University Press, 4th Edition |
| The European Union: What it is and what it does (2020) Publication Office of the European Union, Luxembourg. Online: https://op.europa.eu/webpub/com/eu-what-it-is/en/ |
| The EU in the World (2018) Eurostat Statistical Book. Printed by Imprimerie Central in Luxembourg. Online: http://ec.europa.eu/eurostat |
| McCornick, John (2020) Understanding the European Union: A Concise Introduction. 8th Edition. Red Globe Press |