1. Opting Out of the European Union
2. Adriaensen J. & Coremans E. (2016). Controlling covert integration in EU politics EUI working paper (27) https://cadmus.eui.eu/bitstream/handle/1814/40988/RSCAS_2016_27.pdf?sequence = 1&isAllowed = y.
3. Agius C. (2006). The social construction of Swedish neutrality: Challenges to Swedish identity and sovereignty Manchester University Press Retrieved February 2023 from https://www.jstor.org/stable/j.ctt155jgn0.
4. Transformed beyond recognition? The politics of post-neutrality
5. Ålander M. & Michael P. (2022). Moscow threatens the balance in the high north 2022 Stiftung Wissenschaft und Politik (SWP) Retrieved February 2023 from https://www.swp-berlin.org/en/publication/moscow-threatens-the-balance-in-the-high-north.