- McKennell, A.C.
- Surveying Subjective Welfare: Strategies and Methodological Consideration.
- Strumpel, B.; Ed.: "Subjective Element of Well-Being", OECD, 1974, Parijs, France, 45 - 73
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no new data on present happiness.