- McKnight, P.E.; Kashdan, T.B.
- Purpose in Life as a System That Creates and Sustains Health and Well-Being: An Integrative, Testable Theory
- Review of General Psychology © 2009 American Psychological Association, 2009, Vol. 13, 242-251
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no new data on present happiness.