- Graham, C.
- National Well-Being Accounts, National Well-Being Index, National Well-Being Indicators.
- Michalos, A.C. Ed.: "Encyclopedia of Quality of Life Research", Springer, Dordrecht, The Netherlands, 2013, 4256 -4259
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no valid measure of happiness used.