1. 1. ESS Round 6: European Social Survey Round 6 Data. (2012). Data file edition 2.3. NSD - Norwegian Centre for Research Data, Norway - Data Archive and distributor of ESS data for ESS ERIC.
2. 2. Thompson, S., Marks, N. (2008). Measuring well-being in policy: issues and applications. London: New Economics Foundation.
3. 3. Jeffrey, K., Abdallah, S., Quick, A. (2015). Europeans' personal and social wellbeing: topline results from Round 6 of the European Social Survey. London: Centre for Comparative Social Surveys.
4. 4. European Social Survey. Measuring and Reporting on Europeans' Wellbeing: Findings from the European Social Survey. (2015). London: ESS ERIC.
5. 5. Dembitskyi, S. (2016). Theoretical validation in sociological research: methodology and methods. Moscow: Lenand [in Russian]