1. Argyle, M. (2001). The psychology of happiness (2nd ed.). London: Methuen.
2. Avdagic, S. (2012). Causes and consequences of national variation in employment protection legislation in Central and Eastern Europe. ESRC end of award report, RES-061-25-0354. Swindon: ESRC.
3. Baranowska-Rataj, A., Gebel, M., Gousia, K., Högberg, B., Klobuszewska, M., Nikolaieva, O., et al. (2016). Interdependencies between labour market insecurity and well-being—evidence from panel data. EXCEPT working papers, WP No. 8. Tallinn University, Tallinn. http://www.except-project.eu/working-papers/ . Accessed 10 Mar 2019.
4. Barbieri, P., & Cutuli, G. (2016). Employment protection legislation, labour market dualism, and inequality in Europe. European Sociological Review, 32(4), 501–516. https://doi.org/10.1093/esr/jcv058 .
5. Bardasi, E., & Francesconi, M. (2004). The impact of atypical employment on individual well-being: Evidence from a panel of British workers. Social Science and Medicine,58(9), 1671–1688. https://doi.org/10.1016/S0277-9536(03)00400-3 .