- Veenhoven, R.
- Quality of Life and Happiness: Concepts and Measures.
- Bruni L., Porta P.L.; Eds.: "Handbook of Research Methods and Applications in Happiness and Quality of Life", Edward Elgar, Cheltenham, UK / Northampton, USA
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no new data on present happiness.