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2. Argyle, M. (1996): Subjective Well-Being. A. Offer (ed.): In Pursuit of the Quality of Life, Oxford: Oxford university Press, 18–45.
3. Beck, W., L. van der Maesen, F. Thomèse & A. Walker, A. (eds.) (2001): Social Quality: A Vision for Europe, The Hague: Kluwer International.
4. Beck, W., L. van der Maesen & A. Walker (eds.) (1998): The Social Quality of Europe, Bristol: Policy Press.
5. Berger-Schmitt, R. & H.-H. Noll (2000): Conceptual Framework and Structures of a European System of Social Indicators, EuReporting Working Paper 9, Mannheim: Centre for Survey Research and Methodology (Zuma).